Paid to Post Plugin

[Zowners]

I need a plugin that pay user per post they've made, they'll be able to request once they've reach a certain amount of cash and then those cash will be deleted, he will be set back to 0 after payout and has to start again.

Example on another forum:
http://img296.imageshack.us/img296/3310/p2p7yc.jpg

Thanks.