I just took a look at the rules. Apparently, you could have used a picture of any bathroom.

"ii) Tell us in 250 words or less why you have chosen this bathroom photo. How did you discover this bathroom and what makes it the worst one in America?
Darn, I thought I read the rules well. I guess not, my mistake. That is too bad, I don't see how this is very fair but, if it is in the rules then I understand. Shows I need to read the rules better, if I would have known this I might not have spent all my time getting the right photo and writing the essay. It was worth a shot for the prize though.
If any of you made it, good luck to you.