Quality Hits4u.com 1000 Free Website Hits at my own site just for joining Free
SubmitAds4Free Free to Join but also a COOP for upgraded members
ResidualAdNetwork Another COOP if you upgrade
Viral Traffic Games A lot of the sites have this on there, Unlimited free Banners & Text ads if you upgrade across 300 or so sites Great Value.Mailer Too
Click Flow Ads Still quite new but really busy, It is a one of a kind Traffic Exchange
EasyOnlineAdvertising Really busy site you either have to surf a lot or take a cheap upgrade
ETrafficCOOP Just $25 For 5 URL’s Advertised for a year, It is busy so you do still need to surf a bit
Custom Hits Great free advertising for your sites or Social Media posts etc! I use this daily and it always gets me results.