I've been hearing about these guy's for years here in NYC
They offer girls twice as much to shoot and then pay them with a bad check. These guy's have the balls to even put
up a site. Check out these links for the info

http://www.adultfyi.com/read.aspx?ID=10824

http://www.xxxporntalk.com//ubbthreads/showflat.php?Cat=&Board=talent&Number=93184&page=0&view=collapsed&sb=5&o=&fpart=1