Hi I have added a Free proxy on my site which allows users to surf blocked sites

http://www.proxy.hackingtruths.org

which is a free service bbut i think i cant afford it . It use 1GB/day. And no body click ads.
Please tell what do i do to keep it enabled
a>Charge money
b>Disable Images option
C>Remove it

Arun Bansal
(www.hackingtruths.org)