I am a huge fan of animation and stop motion films. Even when I was a little kid, I made my own claymation movies with my family's video camera, and many many little flip book animations. I haven't had the time to do many in my adult years, except for my first attempt at a stop motion "commercial" for my Junk Mail Gems business.
But, I always enjoy seeing other people's work. Here are a couple cool movies involving paper...
This one is an ad done by students for Hewlett Packard, which I got the link from a friend on Facebook.
From that page I clicked a link to another really beautifully done movie using shredded paper. Must have been an incredible amount of work, but then so is anything done really well!