In this video tutorial, you can learn nice mouse move effects.
Website: http://samsolomonprabu.com/
Here's the source code:
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import flash.display.MovieClip;
import flash.events.MouseEvent;
stage.addEventListener(MouseEvent.MOUSE_MOVE, myMouse);
function myMouse(e:MouseEvent):void{
var obj:star = new star();
obj.x = mouseX;
obj.y = mouseY;
obj.rotation = Math.random() * 360;
stage.addChild(obj);
}