Odd little thing...

Strangely enough, the loop seems to stop when you scroll down enough so the flash isn't shown.

Preloader Problem

You forgot to add a stop function for this, and I would help you, but I don't know if stop(); (the action in AS2) is for which type of AS you're using. Great concept, though.

Lame...

Interesting but its not very original...but still interesting, but not intersting enough to make it