Welcome to WebmasterWorld Guest from 220.127.116.11
I don't know if this is the page you already found, but you might want to check out the referrals tips at:
"Unlike with AdSense for content ads, we encourage you to endorse referral products by calling attention to the button or text link. If you believe in the quality of the product that you're referring, feel free to let your users know! Of course, in line with our policies, you may not click your own ads nor encourage conversions for deceitful reasons."
Hope that helps!
[edited by: AdSenseAdvisor at 1:40 am (utc) on Dec. 19, 2006]