This is my first web startup, and the culmination of years of "recreational" programming. I've been working on Affiliate Script for a month or so now and feel

This is my first web startup, and the culmination of years of "recreational" programming. I've been working on Affiliate Script for a month or so now and feel that I am finally ready for some criticism from the more experienced members of HN. My goals were to make the design simple to reflect the goal of the system: to make Amazon product ads simple. Please critique my design, my message, how easy the site is to understand, and anything else that you think of. Thank you, Nathan