Read this: http://indyankk.blogspot.com/2007/07/switch-to-google-referrals-and-make.html and let me know on referral placement? If you like the article digg it here: http://digg.com/tech_deals/Switch_to_Google_Referrals_2_0_and_make_more_money_online/who
Read your article. The info is good but reaaaaaaallly basic. I think it is for beginners only because anyone who has used adsense for two months knows all of that. Good luck