Smart Widget Ads for Publishers "WidgetBucks"

http://publications.mediapost.com/index.cfm?fuseaction=Articles.showArticleHomePage&art_aid=74499

WidgetBucks features pay-per-click shopping widgets that help our customers make money fast. They instantly display the most popular products based on buying trends of 100 million shoppers. Thus they are
highly engaging, which means instant dollars for our customers. Our widgets see $3-$6 CPM — pretty good compared to traditional ad networks that deliver less than $2 CPM

Since Mpire launched the WidgetBucks network in October 2007, some 40,000 publishers have signed on--and the company recently hit the 1.5 billion monthly impression mark.
The network primarily features bloggers and other long-tail publishers, Mpire is scaling the tech to handle continuously pumping impressions out across entire blog platforms and larger media outlets.

They tailor to publishers and bloggers to get a widget that is an ad after sign-up. The widget displays relevant content from their advertiers (e.g. Walmart's digial camera offerings on Camera blog). Publisher and Blogger gets paid when users click on ad Widget. They also offer a Referral program.