Simple Script & Modifications

I need a simple script added and with some slight modifications to a web site, this is a very simple script so for $30 I would like it if yoiu can do a simple job in the future for free at that rate, this should not take more then 10 minutes to do. I am a web designer and have done the same script, the script to be added is here [login to view URL] it is noahs classifieds, some slight modifications to be made on this, I will let u know this once the script is up.