I'm pretty good at scripting..
Here.. have a look at some of my sites.. they are all written from scratch:
http://www.pornotgb.com
http://tomuchporn.com
http://keepmyfile.com (some problems due to server-move 18-19.Aug.05)
http://www.coders-art-studio.com (You'll find more references here)
At the first glance I'd say your script (php, mysql) would be worth about 30min-3hours .. depending on the skills and mental condition (
) of the coder. I think it would be worth about 20-70€ (depending on your specific needs)
There are also services for finding freelancer-scripters