diff --git a/src/css/style.css b/src/css/style.css
index 2a0a53d1..d855d70f 100644
--- a/src/css/style.css
+++ b/src/css/style.css
@@ -55,3 +55,7 @@ body {
   vertical-align: -2px;
   margin-left: 0;
 }
+
+.tooltip-shortcut {
+  color:gold;
+}
\ No newline at end of file
diff --git a/src/css/toolbox-animated-preview.css b/src/css/toolbox-animated-preview.css
index 06be9c51..2fb27cff 100644
--- a/src/css/toolbox-animated-preview.css
+++ b/src/css/toolbox-animated-preview.css
@@ -34,11 +34,11 @@
   overflow:hidden;
 }
 
-.tiled-frame-container {
+.preview-container .background-image-frame-container {
   height: 100%;
   width: 100%;
   position: relative;
-  background-repeat : repeat;
+  background-position: center;
 }
 
 .display-fps {
@@ -80,26 +80,56 @@
   color : gold;
 }
 
-.open-popup-preview-button {
+.preview-contextual-actions {
   position : absolute;
   z-index: 500;
   right : 10px;
   top : 10px;
-  width : 24px;
-  height: 18px;
 
-  border : 2px solid white;
-  background : rgba(0,0,0,0.3);
   cursor : pointer;
 
   opacity: 0;
   transition: 0.3s opacity, 0.3s border-color;
 }
 
-.minimap-container:hover .open-popup-preview-button {
+.minimap-container:hover .preview-contextual-actions {
   opacity: 1;
 }
 
+.original-size-button {
+  width : 18px;
+  height: 18px;
+  line-height: 18px;
+  margin: 0 5px;
+
+  border: 2px solid white;
+  background-color: rgba(0, 0, 0, 0.3);
+  color: white;
+
+  font-size: 10px;
+  font-weight: bold;
+  font-family: Tahoma;
+}
+
+.original-size-button-enabled {
+  color: gold;
+  border-color: gold;
+}
+
+.preview-contextual-action {
+  float: left;
+}
+
+.open-popup-preview-button {
+  width : 18px;
+  height: 18px;
+
+  border : 2px solid white;
+  background-image: url(../img/popup-preview-arrow-white.png);
+  background-color : rgba(0,0,0,0.3);
+}
+
 .open-popup-preview-button:hover {
   border-color: gold;
+  background-image: url(../img/popup-preview-arrow-gold.png);
 }
diff --git a/src/css/tools.css b/src/css/tools.css
index 7c262f12..c2a7be7c 100644
--- a/src/css/tools.css
+++ b/src/css/tools.css
@@ -251,10 +251,6 @@
   padding-bottom: 5px;
 }
 
-.tools-tooltip-shortcut {
-  color:gold;
-}
-
 .tools-tooltip-descriptor {
   color:#999;
 }
diff --git a/src/img/popup-preview-arrow-gold.png b/src/img/popup-preview-arrow-gold.png
new file mode 100644
index 00000000..dcf38951
Binary files /dev/null and b/src/img/popup-preview-arrow-gold.png differ
diff --git a/src/img/popup-preview-arrow-white.png b/src/img/popup-preview-arrow-white.png
new file mode 100644
index 00000000..27b78b98
Binary files /dev/null and b/src/img/popup-preview-arrow-white.png differ
diff --git a/src/js/Events.js b/src/js/Events.js
index 8b71a254..8f1ddeb4 100644
--- a/src/js/Events.js
+++ b/src/js/Events.js
@@ -30,6 +30,13 @@ var Events = {
 
   CLOSE_SETTINGS_DRAWER : 'CLOSE_SETTINGS_DRAWER',
 
+  /**
+   * Fire this event to update the opacity of the overlay frame.
+   * Payload :
+   *   1st argument : opacity {Number} between 0 and 1
+   */
+  SET_OVERLAY_OPACITY : 'SET_OVERLAY_OPACITY',
+
   /**
    * The framesheet was reseted and is now probably drastically different.
    * Number of frames, content of frames, color used for the palette may have changed.
diff --git a/src/js/controller/DrawingController.js b/src/js/controller/DrawingController.js
index 2abd9379..e0562da2 100644
--- a/src/js/controller/DrawingController.js
+++ b/src/js/controller/DrawingController.js
@@ -62,8 +62,9 @@
 
     $(window).resize($.proxy(this.startResizeTimer_, this));
 
-    $.subscribe(Events.USER_SETTINGS_CHANGED, $.proxy(this.onUserSettingsChange_, this));
-    $.subscribe(Events.FRAME_SIZE_CHANGED, $.proxy(this.onFrameSizeChange_, this));
+    $.subscribe(Events.USER_SETTINGS_CHANGED, this.onUserSettingsChange_.bind(this));
+    $.subscribe(Events.FRAME_SIZE_CHANGED, this.onFrameSizeChange_.bind(this));
+    $.subscribe(Events.SET_OVERLAY_OPACITY, this.onSetOverlayOpacity_.bind(this));
 
     pskl.app.shortcutService.addShortcut('0', this.resetZoom_.bind(this));
     pskl.app.shortcutService.addShortcut('+', this.increaseZoom_.bind(this, 1));
@@ -136,6 +137,10 @@
     $.publish(Events.ZOOM_CHANGED);
   };
 
+  ns.DrawingController.prototype.onSetOverlayOpacity_ = function (evt, opacity) {
+    this.overlayRenderer.setCanvasOpacity(opacity);
+  };
+
   /**
    * @private
    */
@@ -220,17 +225,24 @@
   };
 
   ns.DrawingController.prototype.onMousewheel_ = function (jQueryEvent) {
-    var event = jQueryEvent.originalEvent;
+    var evt = jQueryEvent.originalEvent;
     // Ratio between wheelDeltaY (mousewheel event) and deltaY (wheel event) is -40
     var delta;
     if (pskl.utils.UserAgent.isChrome) {
-      delta = event.wheelDeltaY;
+      delta = evt.wheelDeltaY;
     } else if (pskl.utils.UserAgent.isIE11) {
-      delta = event.wheelDelta;
+      delta = evt.wheelDelta;
     } else if (pskl.utils.UserAgent.isFirefox) {
-      delta = -40 * event.deltaY;
+      delta = -40 * evt.deltaY;
     }
     var modifier = Math.abs(delta / 120);
+
+    if (pskl.utils.UserAgent.isMac ? evt.metaKey : evt.ctrlKey) {
+      modifier = modifier * 5;
+      // prevent default to prevent the default browser UI resize
+      evt.preventDefault();
+    }
+
     if (delta > 0) {
       this.increaseZoom_(modifier);
     } else if (delta < 0) {
@@ -417,7 +429,7 @@
   };
 
   ns.DrawingController.prototype.getZoomStep_ = function () {
-    return this.calculateZoom_() / 10;
+    return Math.max(0.1, this.renderer.getZoom() / 15);
   };
 
   ns.DrawingController.prototype.setZoom_ = function (zoom) {
diff --git a/src/js/controller/preview/PopupPreviewController.js b/src/js/controller/preview/PopupPreviewController.js
index 27d8febc..f93eda5b 100644
--- a/src/js/controller/preview/PopupPreviewController.js
+++ b/src/js/controller/preview/PopupPreviewController.js
@@ -33,7 +33,7 @@
     pskl.utils.Event.addEventListener(this.popup, 'resize', this.onWindowResize_, this);
     pskl.utils.Event.addEventListener(this.popup, 'unload', this.onPopupClosed_, this);
     var container = this.popup.document.querySelector('.preview-container');
-    this.renderer = new pskl.rendering.frame.TiledFrameRenderer($(container));
+    this.renderer = new pskl.rendering.frame.BackgroundImageFrameRenderer($(container));
     this.updateZoom_();
     this.renderFlag = true;
   };
diff --git a/src/js/controller/preview/PreviewController.js b/src/js/controller/preview/PreviewController.js
index 2dc7fd80..1cd282e8 100644
--- a/src/js/controller/preview/PreviewController.js
+++ b/src/js/controller/preview/PreviewController.js
@@ -15,12 +15,14 @@
 
     this.fpsRangeInput = document.querySelector('#preview-fps');
     this.fpsCounterDisplay = document.querySelector('#display-fps');
+    this.openPopupPreview = document.querySelector('.open-popup-preview-button');
+    this.originalSizeButton = document.querySelector('.original-size-button');
 
     this.setFPS(Constants.DEFAULT.FPS);
 
     var frame = this.piskelController.getCurrentFrame();
 
-    this.renderer = new pskl.rendering.frame.TiledFrameRenderer(this.container);
+    this.renderer = new pskl.rendering.frame.BackgroundImageFrameRenderer(this.container);
     this.popupPreviewController = new ns.PopupPreviewController(piskelController);
   };
 
@@ -33,9 +35,11 @@
     this.toggleOnionSkinEl = document.querySelector('.preview-toggle-onion-skin');
     this.toggleOnionSkinEl.addEventListener('click', this.toggleOnionSkin_.bind(this));
 
-    pskl.utils.Event.addEventListener('.open-popup-preview-button', 'click', this.onOpenPopupPreviewClick_, this);
+    pskl.utils.Event.addEventListener(this.openPopupPreview, 'click', this.onOpenPopupPreviewClick_, this);
+    pskl.utils.Event.addEventListener(this.originalSizeButton, 'click', this.onOriginalSizeButtonClick_, this);
 
     pskl.app.shortcutService.addShortcut('alt+O', this.toggleOnionSkin_.bind(this));
+    pskl.app.shortcutService.addShortcut('alt+1', this.onOriginalSizeButtonClick_.bind(this));
 
     $.subscribe(Events.FRAME_SIZE_CHANGED, this.onFrameSizeChange_.bind(this));
     $.subscribe(Events.USER_SETTINGS_CHANGED, $.proxy(this.onUserSettingsChange_, this));
@@ -47,6 +51,7 @@
 
     this.updateZoom_();
     this.updateOnionSkinPreview_();
+    this.updateOriginalSizeButton_();
     this.updateMaxFPS_();
     this.updateContainerDimensions_();
   };
@@ -55,6 +60,11 @@
     this.popupPreviewController.open();
   };
 
+  ns.PreviewController.prototype.onOriginalSizeButtonClick_ = function () {
+    var isEnabled = pskl.UserSettings.get(pskl.UserSettings.ORIGINAL_SIZE_PREVIEW);
+    pskl.UserSettings.set(pskl.UserSettings.ORIGINAL_SIZE_PREVIEW, !isEnabled);
+  };
+
   ns.PreviewController.prototype.onUserSettingsChange_ = function (evt, name, value) {
     if (name == pskl.UserSettings.ONION_SKIN) {
       this.updateOnionSkinPreview_();
@@ -62,17 +72,21 @@
       this.updateMaxFPS_();
     } else {
       this.updateZoom_();
+      this.updateOriginalSizeButton_();
       this.updateContainerDimensions_();
     }
   };
 
   ns.PreviewController.prototype.updateOnionSkinPreview_ = function () {
     var enabledClassname = 'preview-toggle-onion-skin-enabled';
-    if (pskl.UserSettings.get(pskl.UserSettings.ONION_SKIN)) {
-      this.toggleOnionSkinEl.classList.add(enabledClassname);
-    } else {
-      this.toggleOnionSkinEl.classList.remove(enabledClassname);
-    }
+    var isEnabled = pskl.UserSettings.get(pskl.UserSettings.ONION_SKIN);
+    this.toggleOnionSkinEl.classList.toggle(enabledClassname, isEnabled);
+  };
+
+  ns.PreviewController.prototype.updateOriginalSizeButton_ = function () {
+    var enabledClassname = 'original-size-button-enabled';
+    var isEnabled = pskl.UserSettings.get(pskl.UserSettings.ORIGINAL_SIZE_PREVIEW);
+    this.originalSizeButton.classList.toggle(enabledClassname, isEnabled);
   };
 
   ns.PreviewController.prototype.updateMaxFPS_ = function () {
@@ -82,8 +96,11 @@
   };
 
   ns.PreviewController.prototype.updateZoom_ = function () {
-    var isTiled = pskl.UserSettings.get(pskl.UserSettings.TILED_PREVIEW);
-    var zoom = isTiled ? 1 : this.calculateZoom_();
+    var originalSizeEnabled = pskl.UserSettings.get(pskl.UserSettings.ORIGINAL_SIZE_PREVIEW);
+    var tiledPreviewEnabled = pskl.UserSettings.get(pskl.UserSettings.TILED_PREVIEW);
+    var useOriginalSize = originalSizeEnabled || tiledPreviewEnabled;
+
+    var zoom = useOriginalSize ? 1 : this.calculateZoom_();
     this.renderer.setZoom(zoom);
     this.setRenderFlag_(true);
   };
@@ -172,8 +189,9 @@
   };
 
   ns.PreviewController.prototype.updateContainerDimensions_ = function () {
-    var containerEl = this.container.get(0);
     var isTiled = pskl.UserSettings.get(pskl.UserSettings.TILED_PREVIEW);
+    this.renderer.setRepeated(isTiled);
+
     var height, width;
 
     if (isTiled) {
@@ -186,6 +204,7 @@
       width = frame.getWidth() * zoom;
     }
 
+    var containerEl = this.container.get(0);
     containerEl.style.height = height + 'px';
     containerEl.style.width = width + 'px';
 
diff --git a/src/js/rendering/frame/BackgroundImageFrameRenderer.js b/src/js/rendering/frame/BackgroundImageFrameRenderer.js
new file mode 100644
index 00000000..f03e1827
--- /dev/null
+++ b/src/js/rendering/frame/BackgroundImageFrameRenderer.js
@@ -0,0 +1,51 @@
+(function () {
+  var ns = $.namespace('pskl.rendering.frame');
+
+  ns.BackgroundImageFrameRenderer = function (container, zoom) {
+    this.container = container;
+    this.setZoom(zoom);
+
+    var containerEl = container.get(0);
+    var containerDocument = containerEl.ownerDocument;
+    this.frameContainer = containerDocument.createElement('div');
+    this.frameContainer.classList.add('background-image-frame-container');
+    container.get(0).appendChild(this.frameContainer);
+
+    this.cachedFrameProcessor = new pskl.model.frame.CachedFrameProcessor();
+    this.cachedFrameProcessor.setFrameProcessor(this.frameToDataUrl_.bind(this));
+  };
+
+  ns.BackgroundImageFrameRenderer.prototype.frameToDataUrl_ = function (frame) {
+    var canvas = new pskl.utils.FrameUtils.toImage(frame, this.zoom);
+    return canvas.toDataURL('image/png');
+  };
+
+  ns.BackgroundImageFrameRenderer.prototype.render = function (frame) {
+    var imageSrc = this.cachedFrameProcessor.get(frame, this.zoom);
+    this.frameContainer.style.backgroundImage = 'url(' + imageSrc + ')';
+  };
+
+  ns.BackgroundImageFrameRenderer.prototype.show = function () {
+    if (this.frameContainer) {
+      this.frameContainer.style.display = 'block';
+    }
+  };
+
+  ns.BackgroundImageFrameRenderer.prototype.setZoom = function (zoom) {
+    this.zoom = zoom;
+  };
+
+  ns.BackgroundImageFrameRenderer.prototype.getZoom = function () {
+    return this.zoom;
+  };
+
+  ns.BackgroundImageFrameRenderer.prototype.setRepeated = function (repeat) {
+    var repeatValue;
+    if (repeat) {
+      repeatValue = 'repeat';
+    } else {
+      repeatValue = 'no-repeat';
+    }
+    this.frameContainer.style.backgroundRepeat = repeatValue;
+  };
+})();
diff --git a/src/js/rendering/frame/FrameRenderer.js b/src/js/rendering/frame/FrameRenderer.js
index 6d584594..11da4f74 100644
--- a/src/js/rendering/frame/FrameRenderer.js
+++ b/src/js/rendering/frame/FrameRenderer.js
@@ -75,24 +75,36 @@
   };
 
   ns.FrameRenderer.prototype.setZoom = function (zoom) {
-    if (zoom > Constants.MINIMUM_ZOOM) {
-      // back up center coordinates
-      var centerX = this.offset.x + (this.displayWidth / (2 * this.zoom));
-      var centerY = this.offset.y + (this.displayHeight / (2 * this.zoom));
-
-      this.zoom = zoom;
-      // recenter
-      this.setOffset(
-        centerX - (this.displayWidth / (2 * this.zoom)),
-        centerY - (this.displayHeight / (2 * this.zoom))
-      );
+    if (zoom < Constants.MINIMUM_ZOOM) {
+      zoom = Constants.MINIMUM_ZOOM;
     }
+
+    if (zoom == this.zoom) {
+      return;
+    }
+
+    // back up center coordinates
+    var centerX = this.offset.x + (this.displayWidth / (2 * this.zoom));
+    var centerY = this.offset.y + (this.displayHeight / (2 * this.zoom));
+
+    this.zoom = zoom;
+    // recenter
+    this.setOffset(
+      centerX - (this.displayWidth / (2 * this.zoom)),
+      centerY - (this.displayHeight / (2 * this.zoom))
+    );
   };
 
   ns.FrameRenderer.prototype.getZoom = function () {
     return this.zoom;
   };
 
+  ns.FrameRenderer.prototype.setCanvasOpacity = function (opacity) {
+    if (this.displayCanvas) {
+      this.displayCanvas.style.opacity = opacity;
+    }
+  };
+
   ns.FrameRenderer.prototype.setDisplaySize = function (width, height) {
     this.displayWidth = width;
     this.displayHeight = height;
diff --git a/src/js/rendering/frame/TiledFrameRenderer.js b/src/js/rendering/frame/TiledFrameRenderer.js
deleted file mode 100644
index 9bd8c8c3..00000000
--- a/src/js/rendering/frame/TiledFrameRenderer.js
+++ /dev/null
@@ -1,41 +0,0 @@
-(function () {
-  var ns = $.namespace('pskl.rendering.frame');
-
-  ns.TiledFrameRenderer = function (container, zoom) {
-    this.container = container;
-    this.setZoom(zoom);
-
-    var containerEl = container.get(0);
-    var containerDocument = containerEl.ownerDocument;
-    this.displayContainer = containerDocument.createElement('div');
-    this.displayContainer.classList.add('tiled-frame-container');
-    container.get(0).appendChild(this.displayContainer);
-
-    this.cachedFrameProcessor = new pskl.model.frame.CachedFrameProcessor();
-    this.cachedFrameProcessor.setFrameProcessor(this.frameToDataUrl_.bind(this));
-  };
-
-  ns.TiledFrameRenderer.prototype.frameToDataUrl_ = function (frame) {
-    var canvas = new pskl.utils.FrameUtils.toImage(frame, this.zoom);
-    return canvas.toDataURL('image/png');
-  };
-
-  ns.TiledFrameRenderer.prototype.render = function (frame) {
-    var imageSrc = this.cachedFrameProcessor.get(frame, this.zoom);
-    this.displayContainer.style.backgroundImage = 'url(' + imageSrc + ')';
-  };
-
-  ns.TiledFrameRenderer.prototype.show = function () {
-    if (this.displayContainer) {
-      this.displayContainer.style.display = 'block';
-    }
-  };
-
-  ns.TiledFrameRenderer.prototype.setZoom = function (zoom) {
-    this.zoom = zoom;
-  };
-
-  ns.TiledFrameRenderer.prototype.getZoom = function () {
-    return this.zoom;
-  };
-})();
diff --git a/src/js/service/keyboard/CheatsheetService.js b/src/js/service/keyboard/CheatsheetService.js
index 396e9af6..d9b81373 100644
--- a/src/js/service/keyboard/CheatsheetService.js
+++ b/src/js/service/keyboard/CheatsheetService.js
@@ -84,6 +84,7 @@
       this.toDescriptor_('N', 'Create new frame'),
       this.toDescriptor_('shift + N', 'Duplicate selected frame'),
       this.toDescriptor_('shift + ?', 'Open/Close this popup'),
+      this.toDescriptor_('alt + 1', 'Toggle original size preview'),
       this.toDescriptor_('alt + O', 'Toggle Onion Skin'),
       this.toDescriptor_('alt + L', 'Toggle Layer Preview')
     ];
diff --git a/src/js/tools/drawing/selection/BaseSelect.js b/src/js/tools/drawing/selection/BaseSelect.js
index 4b1620cd..59b3c752 100644
--- a/src/js/tools/drawing/selection/BaseSelect.js
+++ b/src/js/tools/drawing/selection/BaseSelect.js
@@ -35,6 +35,8 @@
     this.lastCol = col;
     this.lastRow = row;
 
+    $.publish(Events.SET_OVERLAY_OPACITY, [0.5]);
+
     // The select tool can be in two different state.
     // If the inital click of the tool is not on a selection, we go in 'select'
     // mode to create a selection.
@@ -67,9 +69,10 @@
     if (this.mode == 'select') {
       this.onSelectEnd_(col, row, color, frame, overlay);
     } else if (this.mode == 'moveSelection') {
-
       this.onSelectionDragEnd_(col, row, color, frame, overlay);
     }
+
+    $.publish(Events.SET_OVERLAY_OPACITY, [1]);
   };
 
   /**
@@ -110,19 +113,12 @@
     for (var i = 0, l = pixels.length; i < l ; i++) {
       var pixel = pixels[i];
       var hasColor = pixel.color && pixel.color !== Constants.TRANSPARENT_COLOR ;
-      var color = hasColor ? this.getTransparentVariant(pixel.color) : Constants.SELECTION_TRANSPARENT_COLOR;
+      var color = hasColor ? pixel.color : Constants.SELECTION_TRANSPARENT_COLOR;
 
       overlay.setPixel(pixels[i].col, pixels[i].row, color);
     }
   };
 
-  ns.BaseSelect.prototype.getTransparentVariant = function (colorStr) {
-    var color = window.tinycolor(colorStr);
-    color = window.tinycolor.lighten(color, 10);
-    color.setAlpha(0.5);
-    return color.toRgbString();
-  };
-
   // The list of callbacks to implement by specialized tools to implement the selection creation behavior.
   /** @protected */
   ns.BaseSelect.prototype.onSelectStart_ = function (col, row, color, frame, overlay) {};
diff --git a/src/js/utils/UserSettings.js b/src/js/utils/UserSettings.js
index 79c177a8..3fe2f583 100644
--- a/src/js/utils/UserSettings.js
+++ b/src/js/utils/UserSettings.js
@@ -8,6 +8,7 @@
     CANVAS_BACKGROUND : 'CANVAS_BACKGROUND',
     SELECTED_PALETTE : 'SELECTED_PALETTE',
     TILED_PREVIEW : 'TILED_PREVIEW',
+    ORIGINAL_SIZE_PREVIEW : 'ORIGINAL_SIZE_PREVIEW',
     ONION_SKIN : 'ONION_SKIN',
     LAYER_PREVIEW : 'LAYER_PREVIEW',
     LAYER_OPACITY : 'LAYER_OPACITY',
@@ -22,6 +23,7 @@
       'CANVAS_BACKGROUND' : 'lowcont-dark-canvas-background',
       'SELECTED_PALETTE' : Constants.CURRENT_COLORS_PALETTE_ID,
       'TILED_PREVIEW' : false,
+      'ORIGINAL_SIZE_PREVIEW' : false,
       'ONION_SKIN' : false,
       'LAYER_OPACITY' : 0.2,
       'LAYER_PREVIEW' : true
diff --git a/src/piskel-script-list.js b/src/piskel-script-list.js
index fc520f48..3583713a 100644
--- a/src/piskel-script-list.js
+++ b/src/piskel-script-list.js
@@ -81,7 +81,7 @@
   "js/rendering/layer/LayersRenderer.js",
   "js/rendering/frame/FrameRenderer.js",
   "js/rendering/OnionSkinRenderer.js",
-  "js/rendering/frame/TiledFrameRenderer.js",
+  "js/rendering/frame/BackgroundImageFrameRenderer.js",
   "js/rendering/frame/CachedFrameRenderer.js",
   "js/rendering/CanvasRenderer.js",
   "js/rendering/FramesheetRenderer.js",
diff --git a/src/templates/drawing-tools.html b/src/templates/drawing-tools.html
index 20fb8290..08f4bbac 100644
--- a/src/templates/drawing-tools.html
+++ b/src/templates/drawing-tools.html
@@ -41,7 +41,7 @@
   <!-- Drawing tool tooltip container -->
   <script type="text/template" id="drawingTool-tooltipContainer-template">
     <div class='tools-tooltip-container'>
-      <div>{{helptext}} <span class='tools-tooltip-shortcut'>{{shortcut}}</span></div>
+      <div>{{helptext}} <span class='tooltip-shortcut'>{{shortcut}}</span></div>
       {{descriptors}}
     </div>
   </script>
diff --git a/src/templates/popup-preview.html b/src/templates/popup-preview.html
index be408762..4996cec6 100644
--- a/src/templates/popup-preview.html
+++ b/src/templates/popup-preview.html
@@ -4,7 +4,7 @@
       body,
       .popup-container ,
       .preview-container,
-      .tiled-frame-container {
+      .background-image-frame-container {
         width : 100%;
         height : 100%;
       }
@@ -22,7 +22,7 @@
         position: relative;
       }
 
-      .tiled-frame-container {
+      .background-image-frame-container {
         position: relative;
         background-repeat : no-repeat;
       }
diff --git a/src/templates/preview.html b/src/templates/preview.html
index 5b245a35..468a6054 100644
--- a/src/templates/preview.html
+++ b/src/templates/preview.html
@@ -1,6 +1,10 @@
 <div id="animated-preview-container" class="preview-container">
   <div class="canvas-container-wrapper minimap-container">
-    <div class="open-popup-preview-button" title="Open preview in popup" rel="tooltip" data-placement="bottom"></div>
+    <div class="preview-contextual-actions">
+      <div class="preview-contextual-action  original-size-button" title="Original size preview <span class='tooltip-shortcut'>(alt+1)</span>" rel="tooltip" data-placement="bottom">1x</div>
+      <div class="preview-contextual-action  open-popup-preview-button" title="Open preview in popup" rel="tooltip" data-placement="bottom"></div>
+    </div>
+
     <div id="animated-preview-canvas-container" class="canvas-container">
       <div class="canvas-background"></div>
     </div>