Using Resize effect to enlarge an image on mouse-over
<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" backgroundColor="white"> <mx:Resize id="fxEnlarge" widthTo="300" heightTo="176" /> <mx:Resize id="fxShrink" widthTo="150" heightTo="88" /> <mx:Image id="thumbnail" rollOverEffect="{fxEnlarge}" rollOutEffect="{fxShrink}" source="logo.jpg" /> </mx:Application>