General:

Amazon.com - Sell Books, DVDs, CDs, Magazines,...
DueNow - Sell Book Reports, Research Papers,...
Google Adsense - Contextual Ads

Health:

Leading Edge Cash - Promote FDA approved medications and Male Enhancement Products.

Adult:

CJ Bucks - Promote Adult Websites.
Leading Edge Cash - Promote FDA approved medications and Male Enhancement Products.
LightSpeed Cash - Promote Adult Websites.
MeatCash - Promote Adult Websites. Recommended
OC CA$H - Promote Adult Websites.
Sweet Money - Promote Adult Websites.