I've been working on updating the script for some time and now have it available here - http://www.angry-frog.com. It now has a back-end administration panel where you can change site-wide preferences and user accounts and settings. It has been updated to work with the new PHP versions, etc etc.
Please take a look - http://www.angry-frog.com Angry Frog
Please take a look - http://www.angry-frog.com Angry Frog