I use squidoo to promote my affiliate programs. It's kind of cool because I get paid for driving traffic to my squidoo pages where I promote my affiliate programs where I get new sign ups and customers for my products, so it's sort of a double-whammy and lots of fun.
Here are 2 examples:
http://www.squidoo.com/EbayReview
http://www.squidoo.com/Shoppingheaven
http://www.best.candystore.ever.com