The Worth1000 site is a site with a collection of photography and design contests. A while back, they had a contest to take a picture of a single piece of unlined paper — you were allowed to do whatever you wanted to the paper so long as you did not mark it, and it remained in one piece. I didn’t enter the contest, but it sparked a couple of ideas:
The first two were shot with my new 430EXII flash, which is a wonderful invention. The third was with natural light only, on a tripod.