Preloader and Transition for Dynamic Files Tut

I’ve just done this tut, but I get an error message when I publish:

Scene=Scene 1, Layer=content, Frame=1: Line 1: Clip events are permitted only for movie clip instances
onClipEvent (enterFrame) {

I’m in DESPERATE need of preloader for external swf’s… can’t seem to find one that works?

Please help me!

I use Flash MX2004