I'm always in awe at stop motions-so much time and energy put into producing a few minutes of a movie. I've always wanted to make one, but I just don't think I have the patience!
This one from Igor + André is one of my favorites:
Apparently he was trying to match his drawings with the music to create a nice flow, which meant he had to draw a line and then stop to take a picture for the entire video-WOW! I wonder how many photos he took... any guesses?