Reward hack needed

[Ruth]

Is there any hack that I can reward my members like giving them tokens, that they can exchange afterwards with anything valuable from my site?

[ztsky]

<a href="http://www.vbulletin.com/forum/showthread.php?threadid=17116" target="_blank">http://www.vbulletin.com/forum/showt...threadid=17116</a>
how about this hack?
Maybe you can test.