CodeCanyon - ADD-ON: Buy and Sell Ads v1.0 | 250 KB
This WordPress Plugin is an ADD -ON for the wp pro advertising plugin. It allows you to sell your advertisements spots on your WordPress site. It has many powerfull features to sell advertisements on your website, manage campaigns & banners and track clicks, impressions & CTR all in just a few seconds. It uses the Paypal IPN to handle payments.