Неполадки с эффектом взрыва

[MrXoT]

onMouseDown = function() {
     for(var i:Number = 0;i < 100;++i) {
        var SIZE:Number = random(20) + 30;
        var boom:MovieClip = attachMovie("blom","boom" + i,i);
	boom._x = _xmouse;
	boom._y = _ymouse;
	boom._rotation = random(360);
	boom._xscale = SIZE;
	boom._yscale = SIZE;
     }
}