ow well neveer mind, i pasted all the codes in frame 2.. and then all the other buttons did this :
on (release) {gotoAndStop(1);
loadMovie( "DISENO BASICO.swf", contenedor);
thumbnails.removeMovieClip();
image.removeMovieClip();
arbol.removeMovieClip();
boton.removeMovieClip();
}

so i didnt use the load swf for this particualr instance jst gotoandstop(2) ;