Selling Banner Space for Sale on High Traffic Advertising and Classifieds Forum

I'm selling banner spots on advertising and classifieds forum with very good traffic.

728x90 @ header , 125x125 @ right side bar, 728x90 under every first post of every thread and 728x90 and 468x60 @ footer

The homepage of the site is http://www.koppafreeclassifiedads.com/
Advertising rates and payment forms here: http://www.koppafreeclassifiedads.com/AdvertisingOptions.html

Thanks!