I just had 2 ideas.
1. We built a website outlining the fraud and all of the evidence. Then every member on here links to it, to that it ranks high under internet marketing, PPC search engine, or anything anyone who is considering advertising these engines will look for.
2. Same thing as above, but we advertise it on Overture and Google adwords as a warning. Even if we bid $2.00 a click but split the cost by twenty it could be cheap.
It would take some effort but it might be worth it. In the end it would hit thier bottomline.
Antoine