onClipEvent (load) {
   this._alpha = 30;
   this._x = random(Stage.width);
   this._y = Stage.height/2;
   this._xscale = random(50)+20;
   low = random(Stage.width*0.25);
   high = Stage.width*0.75+random(Stage.width*0.20);
   move = 2*(3-random(6));
   if (move == 0) {
       move = 3;
   }
   scale_move = 2*(3-random(6));
   if (scale_move == 0) {
       scale_move = 3;
   }
}
onClipEvent (enterFrame) {
   this._x += move;
   this._xscale += scale_move;
   if (_xscale>200 or _xscale<20) {
       scale_move = -scale_move;
   }
   if ((this._x>high and move>0) or (this._x<low and move<0)) {
       move = -move;
   }
}

虾米东东啊

就是可以产生一个移动的长方形的光影效果的程序,,,可以试哈,,在FLASH上哈