credits

I have tried "ecommerce" but it has too many options for what I need, I like the "Resource Manager" system better. The problem is that I don't know how to price resources. I want my users to be able to upload their resources and get credits in return every time someone "buys" them. Like this...

DragonByte Credits allows you to create powerful "Events" that can occur throughout your forum. With advanced features such as charging, random additions and taxation, you can create truly interesting combination of events that allows you an unprecendented amount of control over your credits...