StrawberryClock teaches foreigners how to speak properly.
Oh yeah. At certain points in the movie, you can press one of the keys on the keyboard to get Easter eggs (I bet you can't guess which key ;)).
Update - 9/19/03: Holy sheep turds in a dirty diaper. What popularity!!! I've added a thing to the preloader that says "The critics are raving...", and you can read some of the reviews you great people have left for me. THANK YOU SO MUCH!
Future Me: The great King of the Portal stars in the king of everything I ever made. This was even on the front page once.