diff --git a/index.html b/index.html
index 499e9821..256c5709 100644
--- a/index.html
+++ b/index.html
@@ -76,6 +76,8 @@
   <script src="js/model/Frame.js"></script>
   <script src="js/model/FrameSheet.js"></script>
   <script src="js/controller/DrawingController.js"></script>
+  <script src="js/controller/PreviewFilmController.js"></script>
+  <script src="js/controller/AnimatedPreviewController.js"></script>
   <script src="js/rendering/FrameRenderer.js"></script>
   <script src="js/LocalStorageService.js"></script>
   <script src="js/Palette.js"></script>
diff --git a/js/controller/AnimatedPreviewController.js b/js/controller/AnimatedPreviewController.js
new file mode 100644
index 00000000..1a1462bf
--- /dev/null
+++ b/js/controller/AnimatedPreviewController.js
@@ -0,0 +1,62 @@
+(function () {
+	var ns = $.namespace("pskl.controller");
+	ns.AnimatedPreviewController = function (framesheet, container, dpi) {
+		this.dpi = dpi;
+		this.framesheet = framesheet;
+		this.container = container;
+		this.animIndex = 0;
+
+		this.fps = parseInt($("#preview-fps")[0].value, 10);
+
+		this.renderer = new pskl.rendering.FrameRenderer();
+	};
+
+	ns.AnimatedPreviewController.prototype.init = function () {
+		this.initDom();
+		this.startAnimationTimer();
+	};
+
+	ns.AnimatedPreviewController.prototype.initDom = function () {
+		var frame = this.framesheet.getFrameByIndex(0);
+		var height = frame.getHeight() * this.dpi,
+			width = frame.getWidth() * this.dpi;
+
+		previewCanvas = document.createElement('canvas');
+		previewCanvas.className = 'canvas';
+
+		this.container.setAttribute('style', 'width:' + width + 'px; height:' + height + 'px;');
+		previewCanvas.setAttribute('width', width);
+		previewCanvas.setAttribute('height', height);
+
+		this.container.appendChild(previewCanvas);
+		this.previewCanvas = previewCanvas;
+
+		$("#preview-fps")[0].addEventListener('change', this.onFPSSliderChange.bind(this));
+	};
+
+   	ns.AnimatedPreviewController.prototype.startAnimationTimer = function () {
+   		this.stopAnimationTimer();
+		this.animationTimer = window.setTimeout(this.refreshAnimatedPreview.bind(this), 1000/this.fps);
+    };
+
+   	ns.AnimatedPreviewController.prototype.stopAnimationTimer = function () {
+   		if (this.animationTimer) {
+   			window.clearInterval(this.animationTimer);
+   			this.animationTimer = null;
+   		}
+    };
+
+    ns.AnimatedPreviewController.prototype.onFPSSliderChange = function(evt) {
+		this.fps = parseInt($("#preview-fps")[0].value, 10);
+	};
+
+   	ns.AnimatedPreviewController.prototype.refreshAnimatedPreview = function () {
+      this.renderer.render(this.framesheet.getFrameByIndex(this.animIndex), this.previewCanvas, this.dpi);
+      this.animIndex++;
+      if (this.animIndex == this.framesheet.getFrameCount()) {
+        this.animIndex = 0;
+      }
+      this.startAnimationTimer();
+    };
+
+})();
\ No newline at end of file
diff --git a/js/controller/PreviewFilmController.js b/js/controller/PreviewFilmController.js
new file mode 100644
index 00000000..9b5c2244
--- /dev/null
+++ b/js/controller/PreviewFilmController.js
@@ -0,0 +1,89 @@
+(function () {
+	var ns = $.namespace("pskl.controller");
+	ns.PreviewFilmController = function (framesheet, container, dpi) {
+
+		this.dpi = dpi;
+		this.framesheet = framesheet;
+		this.container = container;
+
+		this.renderer = new pskl.rendering.FrameRenderer();
+	};
+
+	ns.PreviewFilmController.prototype.init = function() {
+      var addFrameButton = $('#add-frame-button')[0];
+      addFrameButton.addEventListener('mousedown', this.addFrame.bind(this));
+      this.createPreviews();
+    };
+
+    ns.PreviewFilmController.prototype.addFrame = function () {
+ 		this.framesheet.addEmptyFrame();
+        piskel.setActiveFrameAndRedraw(this.framesheet.getFrameCount() - 1);
+    };
+
+    ns.PreviewFilmController.prototype.createPreviews = function () {
+      this.container.innerHTML = "";
+      for (var i = 0, l = this.framesheet.getFrameCount(); i < l ; i++) {
+        this.container.appendChild(this.createPreviewTile(i));
+      }
+    };
+
+    ns.PreviewFilmController.prototype.createPreviewTile = function(tileNumber) {
+    	var frame = this.framesheet.getFrameByIndex(tileNumber);
+    	var width = frame.getWidth() * this.dpi,
+    		height = frame.getHeight() * this.dpi;
+
+		var previewTileRoot = document.createElement("li");
+		var classname = "preview-tile";
+
+		if (piskel.getActiveFrameIndex() == tileNumber) {
+			classname += " selected";
+		}
+		previewTileRoot.className = classname;
+
+		var canvasContainer = document.createElement("div");
+		canvasContainer.className = "canvas-container";
+		canvasContainer.setAttribute('style', 'width:' + width + 'px; height:' + height + 'px;');
+
+		var canvasBackground = document.createElement("div");
+		canvasBackground.className = "canvas-background";
+		canvasContainer.appendChild(canvasBackground);
+
+		var canvasPreview = document.createElement("canvas");
+		canvasPreview.className = "canvas tile-view"
+
+		canvasPreview.setAttribute('width', width);
+		canvasPreview.setAttribute('height', height);     
+
+		previewTileRoot.addEventListener('click', function(evt) {
+			// has not class tile-action:
+			if(!evt.target.classList.contains('tile-action')) {
+				piskel.setActiveFrameAndRedraw(tileNumber);
+			}    
+		});
+
+		var canvasPreviewDuplicateAction = document.createElement("button");
+		canvasPreviewDuplicateAction.className = "tile-action"
+		canvasPreviewDuplicateAction.innerHTML = "dup"
+
+		canvasPreviewDuplicateAction.addEventListener('click', function(evt) {
+			piskel.duplicateFrame(tileNumber);
+		});
+
+		this.renderer.render(this.framesheet.getFrameByIndex(tileNumber), canvasPreview, this.dpi);
+		canvasContainer.appendChild(canvasPreview);
+		previewTileRoot.appendChild(canvasContainer);
+		previewTileRoot.appendChild(canvasPreviewDuplicateAction);
+
+		if(tileNumber > 0 || this.framesheet.getFrameCount() > 1) {
+			var canvasPreviewDeleteAction = document.createElement("button");
+			canvasPreviewDeleteAction.className = "tile-action"
+			canvasPreviewDeleteAction.innerHTML = "del"
+			canvasPreviewDeleteAction.addEventListener('click', function(evt) {
+				piskel.removeFrame(tileNumber);
+			});
+			previewTileRoot.appendChild(canvasPreviewDeleteAction);
+		}
+
+		return previewTileRoot;
+    };
+})();
\ No newline at end of file
diff --git a/js/model/Frame.js b/js/model/Frame.js
index 2302c43d..552f6b93 100644
--- a/js/model/Frame.js
+++ b/js/model/Frame.js
@@ -1,5 +1,6 @@
 (function () {
 	var ns = $.namespace("pskl.model");
+	
 	ns.Frame = function (pixels) {
 		this.pixels = pixels;
 	};
@@ -30,6 +31,10 @@
 		return clone;
 	};
 
+	ns.Frame.prototype.serialize = function () {
+		return JSON.stringify(this.pixels);
+	};
+
 	ns.Frame.prototype.setPixel = function (col, row, color) {
 		this.pixels[col][row] = color;
 	};
diff --git a/js/model/FrameSheet.js b/js/model/FrameSheet.js
index 9e1bed9a..bb66a547 100644
--- a/js/model/FrameSheet.js
+++ b/js/model/FrameSheet.js
@@ -38,7 +38,11 @@
 	// Could be used to pass around model using long GET param (good enough for simple models) and 
 	// do some temporary locastorage
 	ns.FrameSheet.prototype.serialize = function() {
-		throw "FrameSheet.prototype.serialize not implemented"
+		var serializedFrames = [];
+		for (var i = 0 ; i < this.frames.length ; i++) {
+			serializedFrames.push(this.frames[i].serialize());
+		}
+		return '[' + serializedFrames.join(",") + ']';
 		//return JSON.stringify(frames);
 	};
 
@@ -48,13 +52,17 @@
 	 * @param {String} serialized
 	 */
 	ns.FrameSheet.prototype.deserialize = function (serialized) {
-		throw "FrameSheet.prototype.deserialize not implemented"
-		// try {
-		// 	frames = JSON.parse(serialized);
-		// 	$.publish(Events.FRAMESHEET_RESET);
-		// } catch (e) {
-		// 	throw "Could not load serialized framesheet." + e.message
-		// }	
+		try {
+		 	var frameConfigurations = JSON.parse(serialized);
+		 	this.frames = [];
+		 	for (var i = 0 ; i < frameConfigurations.length ; i++) {
+		 		var frameCfg = frameConfigurations[i];
+		 		this.addFrame(new ns.Frame(frameCfg));
+		 	}
+		 	$.publish(Events.FRAMESHEET_RESET);
+		} catch (e) {
+	 		throw "Could not load serialized framesheet : " + e.message
+		}	
 	};
 
 	ns.FrameSheet.prototype.getFrameByIndex = function(index) {
diff --git a/js/piskel.js b/js/piskel.js
index dcdc62b7..f8ea4b53 100644
--- a/js/piskel.js
+++ b/js/piskel.js
@@ -9,7 +9,7 @@ $.namespace("pskl");
   /**
    * FrameSheetModel instance.
    */
-  var frameSheet, renderer = null,
+  var frameSheet,
 
       // Temporary zoom implementation to easily get bigger canvases to
       // see how good perform critical algorithms on big canvas.
@@ -52,17 +52,32 @@ $.namespace("pskl");
     init : function () {
       var emptyFrame = pskl.model.Frame.createEmpty(framePixelWidth, framePixelHeight);
 
+      frameSheet = new pskl.model.FrameSheet();
+      frameSheet.addFrame(emptyFrame);
+
       this.drawingController = new pskl.controller.DrawingController(
         emptyFrame,
         $('#drawing-canvas-container')[0], 
         drawingCanvasDpi
       );
 
-      renderer = new pskl.rendering.FrameRenderer();
-
-      frameSheet = new pskl.model.FrameSheet();
-      frameSheet.addFrame(emptyFrame);
       this.setActiveFrame(0);
+
+      this.animationController = new pskl.controller.AnimatedPreviewController(
+        frameSheet,
+        $('#preview-canvas-container')[0], 
+        previewAnimationCanvasDpi
+      );
+
+
+      this.previewsController = new pskl.controller.PreviewFilmController(
+        frameSheet,
+        $('#preview-list')[0], 
+        previewTileCanvasDpi
+      );
+
+      this.animationController.init();
+      this.previewsController.init();
           
       pskl.NotificationService.init();
       pskl.LocalStorageService.init(frameSheet);
@@ -96,9 +111,6 @@ $.namespace("pskl");
 
       // TODO: Move this into their service or behavior files:
       this.initDrawingArea();
-      this.initPreviewSlideshow(); 
-      this.initAnimationPreview();  
-      this.startAnimation();
       
       pskl.ToolSelector.init();
       pskl.Palette.init(frameSheet);
@@ -142,21 +154,19 @@ $.namespace("pskl");
 
     setActiveFrameAndRedraw: function(index) {
       this.setActiveFrame(index);
-      
-      // When redraw engine is refactored, remove the following crap and
-      // trigger an event instead:
+      this.redraw();
+    },
 
+    redraw : function () {
       // Update drawing canvas:
       this.drawingController.renderFrame();
       // Update slideshow:
-      this.createPreviews();
-      // Update animation preview:
-      animIndex = 0;
+      this.previewsController.createPreviews();
     },
 
     getActiveFrameIndex: function() {
       if(-1 == activeFrameIndex) {
-        throw "Bad active frane initialization."
+        throw "Bad active frame initialization."
       }
       return activeFrameIndex;
     },
@@ -171,128 +181,13 @@ $.namespace("pskl");
         drawingAreaContainer.addEventListener('contextmenu', this.onCanvasContextMenu);
     },
 
-    initPreviewSlideshow: function() {
-      var addFrameButton = $('#add-frame-button')[0];
-      addFrameButton.addEventListener('mousedown', function() {
-        frameSheet.addEmptyFrame();
-        piskel.setActiveFrameAndRedraw(frameSheet.getFrameCount() - 1);
-      });
-      this.createPreviews();
-    },
-
-    initAnimationPreview : function() {
-
-      var previewAnimationContainer = $('#preview-canvas-container')[0];
-      previewCanvas = document.createElement('canvas');
-      previewCanvas.className = 'canvas';
-      previewAnimationContainer.setAttribute('style', 
-        'width:' + framePixelWidth * previewAnimationCanvasDpi + 'px; height:' + framePixelHeight * previewAnimationCanvasDpi + 'px;');
-      previewAnimationContainer.appendChild(previewCanvas);
-      previewCanvas.setAttribute('width', framePixelWidth * previewAnimationCanvasDpi);
-      previewCanvas.setAttribute('height', framePixelHeight * previewAnimationCanvasDpi);
-    },
-
-    startAnimation : function () {
-      var scope = this;
-      var animFPSTuner = $("#preview-fps")[0];
-      var animPreviewFPS = parseInt(animFPSTuner.value, 10);
-      var startPreviewRefresh = function() {
-        return setInterval(scope.refreshAnimatedPreview, 1000/animPreviewFPS);
-      };
-      var refreshUpdater = startPreviewRefresh();
-      
-      animFPSTuner.addEventListener('change', function(evt) {
-        window.clearInterval(refreshUpdater);
-        animPreviewFPS = parseInt(animFPSTuner.value, 10);
-        $("#display-fps").html(animPreviewFPS + " fps");
-        refreshUpdater = startPreviewRefresh();
-      });
-    },
-
-    createPreviews : function () {
-      console.log("createPreviews");
-      var container = $('#preview-list')[0], previewTile;
-      container.innerHTML = "";
-      for (var i = 0, l = frameSheet.getFrameCount(); i < l ; i++) {
-        previewTile = this.createPreviewTile(i);
-        container.appendChild(previewTile);
-      }
-    },
-
-    createPreviewTile: function(tileNumber) {
-      var previewTileRoot = document.createElement("li");
-      var classname = "preview-tile";
-
-      if (this.getActiveFrameIndex() == tileNumber) {
-        classname += " selected";
-      }
-      previewTileRoot.className = classname;
-      
-      var canvasContainer = document.createElement("div");
-      canvasContainer.className = "canvas-container";
-      canvasContainer.setAttribute('style', 
-        'width:' + framePixelWidth * previewTileCanvasDpi + 'px; height:' + framePixelHeight * previewTileCanvasDpi + 'px;');
-      
-      var canvasBackground = document.createElement("div");
-      canvasBackground.className = "canvas-background";
-      canvasContainer.appendChild(canvasBackground);
-
-      var canvasPreview = document.createElement("canvas");
-      canvasPreview.className = "canvas tile-view"
-      
-      canvasPreview.setAttribute('width', framePixelWidth * previewTileCanvasDpi);
-      canvasPreview.setAttribute('height', framePixelHeight * previewTileCanvasDpi);     
-
-      previewTileRoot.addEventListener('click', function(evt) {
-        // has not class tile-action:
-        if(!evt.target.classList.contains('tile-action')) {
-          piskel.setActiveFrameAndRedraw(tileNumber);
-        }    
-      });
-
-      var canvasPreviewDuplicateAction = document.createElement("button");
-      canvasPreviewDuplicateAction.className = "tile-action"
-      canvasPreviewDuplicateAction.innerHTML = "dup"
-
-      canvasPreviewDuplicateAction.addEventListener('click', function(evt) {
-        piskel.duplicateFrame(tileNumber);
-      });
-
-      renderer.render(frameSheet.getFrameByIndex(tileNumber), canvasPreview, previewTileCanvasDpi);
-      canvasContainer.appendChild(canvasPreview);
-      previewTileRoot.appendChild(canvasContainer);
-      previewTileRoot.appendChild(canvasPreviewDuplicateAction);
-      
-      if(tileNumber > 0 || frameSheet.getFrameCount() > 1) {
-        var canvasPreviewDeleteAction = document.createElement("button");
-        canvasPreviewDeleteAction.className = "tile-action"
-        canvasPreviewDeleteAction.innerHTML = "del"
-        canvasPreviewDeleteAction.addEventListener('click', function(evt) {
-          piskel.removeFrame(tileNumber);
-        });
-        previewTileRoot.appendChild(canvasPreviewDeleteAction);
-      }
-
-      return previewTileRoot;
-    },
-
-    refreshAnimatedPreview : function () {
-      renderer.render(frameSheet.getFrameByIndex(animIndex), previewCanvas, previewAnimationCanvasDpi);
-      animIndex++;
-      if (animIndex == frameSheet.getFrameCount()) {
-        animIndex = 0;
-      }
-    },
-
     removeFrame: function(frameIndex) {     
       frameSheet.removeFrameByIndex(frameIndex);
-
       this.setActiveFrameAndRedraw(frameIndex - 1);
     },
 
     duplicateFrame: function(frameIndex) {
       frameSheet.duplicateFrameByIndex(frameIndex);
-
       this.setActiveFrameAndRedraw(frameIndex + 1);
     },
 
@@ -343,7 +238,7 @@ $.namespace("pskl");
         // Note: The mousemove movement (and the mouseup) may end up outside
         // of the drawing canvas.
         // TODO: Remove that when we have the centralized redraw loop
-        this.createPreviews();
+        this.previewsController.createPreviews();
       }
 
       if(isRightClicked) {