As suggested before yet never done (or maybe I forgot if it has?), post up photos you see of bikes where the owner just shouldn't have been allowed to do this to a bike.
I'll start the ball rolling:
http://www.asfphotos.com/upload/1281964843.jpg
http://www.asfphotos.com/upload/1282133965.jpg
http://www.asfphotos.com/upload/1282178013.jpg
http://www.asfphotos.com/upload/1282122913.jpg
http://www.asfphotos.com/upload/1282196967.jpg
http://www.asfphotos.com/upload/1282175735.jpg