Also, here's a Google for affiliate programs that use the Rapid Action Profit script (RAP).RAP also pays instantly, directly into your Paypal account:
http://www.google.com/search?sourceid=navclient&ie=UTF-8&rlz=1T4GGIH_enUS274US274&q=%22Commissions+Direct+to+Your+Paypal+Account+-+Over+and+Over+again%21%22
Cashflow is a very important and underrated aspect of IM and SEO. The sooner you get paid, the sooner you can buy more domains, hosting, automation software, etc.