One of my pet projects over the last few weeks has been to build a simple advertising management platform for Wordpress. OpenX has dabbled in this arena before, and has built a plug-in which will easily integrate with OpenX Hosted or Downloaded versions.
However, most users of Wordpress do not need a full featured ad server for their blog. So, we decided to build an entirely separate plug-in which serves ads on its own. We have worked with Mutube, the writer of the very excellent Adsense Manager plug-in, to provide the base to our Wordpress plug-in. The plug-in has the following features:
- Automatic detection of over 10 3rd party ad networks and adservers, including Adsense, CJ, OpenX and others
- Simple UI which integrates completely in Wordpress
- Support for older versions of Wordpress, as well as the newest release, v2.7
- Ability to rotate multiple ads in ad zones
- Ability to optimise your ad networks by modifying the weight (% of time they show), and ability to allow ad networks to compete with the OpenX Market for the highest eCPM
- Easily place ads within blog posts, or in your WP templates
- Many more features which make this an incredibly useful tool for your blog!
Advertising Manager for Wordpress is currently being beta tested by a few trusted folks. We are looking for a few others who would be willing to test the plug-in, and give feedback. Hopefully, we can then release Advertising Manager for Wordpress Beta very shortly.
Please PM me or respond in the comments if you are willing to help!

Advertising Manager in Wordpress v2.6

A list screen in Advertising Manager using Wordpress 2.7

An edit screen of Advertising Manager in Wordpress 2.7