Zango affiliate program is the best affiliate program that I know. You get paid for giving out FREE stuff. This afiliate program convert very well, since every
want free games, apllication, video and ...
If your interested in any tips, send me a bit of information about your site and traffic and Ill do my best to help you get started. Ideally your site provides something like movies to watch, music to download, unique profile tools for something like myspace, or just generally something unique such as ringtones. Alternatively if you have a young audience I can help you a bit with syndicated content which also converts well.
This also works for adult sites, feel free to pm me any questions and Ill give you any tips that I can.
PM me if you are intrerested.