One day I might do something like this... if I have the time. but here you can watch one of my favorite artists make a drawing in a book.
Here's another one of my favorites:
This is a very cool site that I just discovered. Check out out lots more here: www.sketchtheater.com
Speaking of which... Travis Louie:
I think what he does is amazing. Just look at the clothing--it's so real you can touch it. Old fashioned photos with monster type figures. So cool!