Just watching tonight's Rachel Maddow Show, and was fascinated to learn that a clean coal grassroots organization is drawing its grassroots membership from the iStockphoto collection. Yep, it's twoo: all their members are stock images!
Faces of Coal (http://www.1sky.org/blog/2009/08/front-group-fail-faces-of-coal-come-from-istockphoto)
Apologies for anyone who finds this too political, but it does raise interesting questions of appropriate use.