I was thinking about the DaniWeb badge earlier, and the possibility of putting it onto my site, but it really doesn't fit in with my sites colour scheme :(
I would like to suggest customisation options for the current purple background.
You are already generating the image from post counts and other user data (GD or ImageMagick I assume) so would there be any chance of allowing an (optional) variable in the URI for a hex colour to use as the background to replace the purple?
http://www.daniweb.com/certificates/badge323950.jpg perhaps allow something like
Just throwing it out there.. No idea how many people actually have the badges anywhere or if anyone else would be interested in doing so if it was customisable... I can't imaging server load would be hugely different if this was an option..