First few stop motion videos

I made these with a notebook, pens, colored pencils, and the stop motion setting on my camera. I used the editing application on my ps3 it's a little choppy in the second video. I'd like to know what you guys think.

http://youtu.be/gAqPgzliOgw

http://youtu.be/QngxwLF5ZAw

http://youtu.be/7FcJCYYibX8