I am running some tests with integrating Magento and Post Affiliate Pro.  We are setting this system up for CrimsonHoundstooth.com and this is a test of the affiliate links.  FYI, Post Affiliate Pro does not work with PHP 5.3.x, and this costs me 4 days of work to figure that out (of course, their support department could have led me in that direction instead of claiming it was Zend Encoder which was not installed).