Website Credits Rule

yes ,it is bad,but no have good idea to sloved it
I used to be in other null plugins forum, and to estimulate the people to participate they gave 1 free resource per day. And increases depending the kind of user. It's an option...
I need a plugin but have to work a lot before have it
Can the administrator explain how does the gold system works?? I've just earned 2 gold for daily activity, and 1 for uploading a resource (a wordpress plugin). Doesn't seems a very good system... and it's not a xen resource.. it's a wordpress resource..