Color.setRGB

[koln]

MovieClip.prototype.attach = function(num) { 
var xadd:Number = 1;
var yadd:Number = 2;
for (i=0; i<num; i++) {
this.attachMovie("neve", "neve"+count, count);
currentSnow = _root["neve"+count];
count++; 
currentSnow._x = random(550);
currentSnow._y = random(400);
currentSnow._alpha = random(200);
currentSnow._width = random(10);
currentSnow._height = random(10);
currentSnow._width = currentSnow._height; 
currentSnow.onEnterFrame = function() {
this._x += xadd;
this._y += yadd;
if (this._y>stageHeight+(this._height/2)) {
this._y = 0-(this._height/2);
}

if (this._x>stageWidth+(this._width/2)) {
this._x = 0-(this._width/2);
} 
};
}
};
init = function () {
stageHeight = 400;
stageWidth = 550;
count = 100;
attach(950);
}; 
init();

Effetto neve. La neve è bianca ma dovrei cambiargli colore. Ho provato con currentSnow.Color.setRGB(000000); ma non va.
Un aiuto?
Grazie.