What is the best script for setting an affiliate site up

I an building a website that will be an affiliate program each person who joins will be given a website to market th business with

what is the best script to buy for this type pf program? And will each affiliate have there own id at the end of the site? example www.freefor15.com/?hub=89765

This is a difficult process for me and would appreciate the help

Thanks

 

Have you tried ?
http://www.idevdirect.com/idevaffiliate.php

 

PHP and SLQ to set up a database prehaps, im not really to sure about it though.

 

thanks for the info hopefully I can find out how to implement this into my site for not that much money