[Reeve of shinra]

NexVision: when you create the new custom field, name it whatever you want.
When you do your template edits, simply put Points: $post[fieldx] where x is the new field # and points is the name you want.

The only thing at this point thats harded coded is the pop up box confirming the points you gave and the little box that shows how many points were paid on that post -- both of which are only viewable to admins or mods and can be changed in the template you need to add.