FacebookPromote.com has an affiliate program where all you have to do is get visitors to visit your unique page and they pay out .01 per unique visitor. Plus it is a good site to exchange facebook fans, visitors, etc.

facebookpromote.com

Oh PS if you want to just exchange likes, visitors, etc. here is a coupon code for 50 extra coins...

9728-6931-6866-4310

Use it after you register and activate and put it in your control panel coupon screen