[BigDan]

var mcl:MovieClipLoader = new MovieClipLoader();
var list:Array = ["pic1.swf","pic2.swf","pic3.swf"];
var conts:Array = [cont1_mc,cont2_mc,cont3_mc];
var counter:Number = 0;
mcl.loadClip(list[counter],conts[counter]);
onComplete = function():Void
{
	counter += 1;
	mcl.loadClip(list[counter],conts[counter]);
}
mcl.addListener(this);

Приблизительно так.