The number one program that I'm promoting currently is Edmond Loh's Resell Rights Mastery. I'm promoting his Paid Customer Goldmine product which includes a free membership to his membership website and has a One Time Offer to upgrade to a monthly membership. My website is here http://www.YourRichNiche.com or you can go directly to his site here http:www.resellrightsmastery.com. I've been very happy with the quality of products that I've found including his straightforward training materials for affiliates and members.

Resell rights is not for everyone. There are basically two ways to play the resell game. Give a bunch of stuff away and/or sell them cheap on Ebay and hit people up with One time offers to buy higher priced packages. It can work. It just takes time and there's a lot of competition. I prefer to take the materials that I find, repackage them and build websites around them. Which also takes time, but I feel like I'm giving additional value back by doing that. I'm also working on some products of my own that I will eventually be marketing.

Other residual programs to look at:

Ace Hardware's lifetime affiliate program through LinkShare.

Aweber - -They have the best autoresponder in the business

Pretty much any hosting company: Godaddy, Hostgator etc..

I have additional info in another HubPage that I started after reading this question. Primarily because I didn;t understand how the whole "request answering" thing worked :-)

Hope that Helps