Here is a list of Flat Rate Networks. Flat rate ad networks don't pay you on a CPC or a CPM basis but a flat rate on a weekly, monthly, 3 months or so on basis.

Project Wonderful Review

Posted by Ghatozkat on July 06, 2009

Project Wonderful is a flat rate ad network which means it does not pay you on a CPC or a CPM basis. It finds advertisers willing to put ads on your blog on a CPD (Cost Per Day) basis. Signing up with Project Wonderful is easy. After you sign up, you will be asked [...]

Review of BuySellAds.com, a flat rate ad network

Posted by Ghatozkat on April 17, 2009

BuySellAds.com is a flat rate ad network. It does not pay you on a CPC or a CPM basis, it pays you a flat rate on a monthly basis. Signing up with BuySellAds.com is easy. After you sign up and login, you will be presented with a very nice interface. I joined BuySellAds a few [...]