I suggest that you do your research before you try to insult me in public.
http://www.clubnegro.com/
Check the whois records, the DNS, the site itself... it belongs to CEN. I still send traffic and still get signups.
If you are from an ex-Soviet nation or Asia, then you should think twice before signing up for any sponsor. Be prepared. If you have learnt one thing here, it is a very expensive lesson.
Slick,
It is easy to cheat a per signup program. Signing up for trials and cancelling is one method, stolen or fake credit cards are another...
One of the hardest programs to cheat has to be revshare. That is where a lot of newbie paysite owners start up.