Free affiliate program from "Link Joe - Professional SEO service". The company specializes in delivering targeted traffic to all types of websites.
Company Details Here
The affiliate program is free to join, anyone can register.
3 tier commissions:
Lvl 1 - 40% ( $120 - $240 per sale, depending on service price)
Lvl 2 -10%
Lvl 3 - 5%
Commissions are paid on the 1st, of each month.
Register as an affiliate here