Check us out
http://www.diabolicalgalleries.com
We're not a traffic broker, we build the galleries, we host the galleries and provide all the content in exchange for listings we split the traffic to the sponsor.
50/50 depending upon your productivity it could go higher.
It may not be what you're looking for, but I can set you up so you have access to every gallery built over the last year and most if not all already have the thumbs cropped for you.
If you need anything hit me up on icq 127027910