I'd be willing to help you get it working .. send me a private message with your ftp access info.
Also state what permission you want to have for the database. I noticed you have it setup for people to signup but yet you don't have a userid field.
Are you going to use autogenerate or have you defined your own add and display forms within your html.pl file?
If you decide to add other mods at a later time it's best to create your own forms. JPDeni has provided a configurator on her site which makes it very easy to create these forms for your defined fields.
http://jpdeni.com/dbman Unoffical DBMan FAQ
http://creativecomputingweb.com/dbman/index.shtml/