var cubeCount = 6;
for (var j = 0; j < cubeCount; j++) {
	for (var i = 0; i < this['picCube' + j].holderArray.length; i++) {
		var c = this['picCube' + j].holderArray[i].createEmptyMovieClip("loader", 2);
		c.loadMovie("f"+(i+1)+".jpg");
	}
}