Jimbo, it's all about what you expect to receive for the $ you invest.
We have done lot's of different affiliate programs, you can see the samples in portfolio
http://design.likewhoa.com
here are a afew quick links
http://www.adultrevenueservice.com
http://www.allliquid.com
http://www.fetishbucks.com
http://www.adultpaymaster.com
and others..
let me know which one of these is what you are looking for and i can get you a quote.
shoot me an em stan @ likewhoa.com