there are lots of POINTS and CASH systems out there, I personally use iCash
https://vborg.vbsupport.ru/showthrea...ighlight=icash
An example:
http://qskglobal.com/showthread.php?t=1543 <<Just look in the postbit, I have mine named QsK Points. You can rename this easily through the admin CP
Its very customizable and easy to integrate with the vBookie betting system. Hopefully you decide to buy vBulletin!