traffic exchange site

TS25
http://www.ts25.com/index.jsp?ref=timmarley

This is a manual site that I have had success with. Success meaning people have responded to my ads and joined my programs at a good percentage. You can build up credits and show your website for free and it is also kind of fun since you belong to "syndicates along with a others in a group of 20.

Tim
http://www.cutting-edge-real-estate.com