Putting the link there won't necessarily bring riches. . . . Not only were their links difficult to articulate, but they require an actual trip to their website. They also utilize an actual graphic file to be called from your link that pings their server to track your customer. Every time we tried to get help, we were met with canned auto responses, or ruthless spam. You should steer away from programs like this. .
Most associate programs have a minimum amount they'll cut a check for.
Network Solutions Associate programs is one such program. They base their performance on your selling 100 domain names a month. . . . Not a pretty sight. That's a lot of books. . This would be the ideal situation.