Geo rediction on CPA offers

I was looking for geo redi*rection for cpa and found alst*rasofts but i just cant get it working this shit is driving me nuts =/

if any1 knows good alternative or could explain bit how does it work would be cool. Even the readme doesnt tell much =/

I started with this

http://www.maxmind.com/app/geolitecity

http://www.maxmind.com/app/php

free alternatives , but still work in getting set up