http://buzz.blogger.com/2010/08/viglink-easier-way-to-monetize-links-on.html

<<VigLink is a content monetization company that makes affiliate marketing very easy for bloggers. We offer a simple snippet of code you can install in your blog that automatically and transparently does all the work for you. We've catalogued and signed up for more than 12,500 affiliate programs and we collect all the performance information and deliver you a single integrated payment. In return, VigLink takes 25% of the incremental revenue you earn. >>