Go here:
http://www.monstersofcock.com/t1/pps=gfy/
Now we assume GFY will be passed to all pages, but instead the home page link changes the code to "comein"... a house account... this happens all on non-home page links back to the home page.
So now click on latest or any other menu option and then click home. Your surfer is now their surfer!
From the join page:
reseller=DP-comein
x_reseller=comein