createEmptyMovieClip en capa determinada

[Apsol]

Hola ,, no se como aplicarlo . eso que me dice, yo uso este codigo


aMovies = new Array();
aMovies[0] = "/Images/img_logo_1.jpg";
aMovies[1] = "/Images/img_logo_2.jpg";
aMovies[2] = "/Images/img_logo_3.jpg";
aMovies[3] = "/Images/img_logo_4.jpg";
aMovies[4] = "/Images/img_logo_5.jpg";
aMovies[5] = "/Images/img_logo_6.jpg";

//
this.createEmptyMovieClip("contenedor", 2);
contenedor._x = 0;
contenedor._y = 0;
//
pelicula = aMovies[random(6)];
contenedor.loadMovie(pelicula);