[Billing And Payment?]

You can provide admin- and self-signup, with registration fee support for advertisers and publishers, using these plugins. Please note that these are a work-in-progress and features are expanding all the time. Early screenshots here.

 

Full disclosure: I'm the author/developer.

I am also interested in this feature.  Richard those links don't work...  Could you repost? - I'd love to see what you've got.  Thanks