I am drop linx official seller. I get him players that are willing to donate/pay for the lobby's he rents. If your willing to donate/pay for one of his challenge lobby's hit me up on xbl or post below your GT and ill send you a private chat.
GT: trollarc INCo
Do not spam me for invite to the lobby, or ask if you can get in free.. You will be blocked and put on suspension list. If your not willing to pay/donate you will have to get In the the old fashion way. If you did send a payment via PayPal you will receive a insta invite to the lobby when ready. Heres a list of info. If none of this was useful hit me up on xbl. I'll be on mw2 in private match.

Lobby price: 5$ a person
Hosting:Carter(hopefully)
Renter: drop linx
Lobby lasts: 3 1/2 hours
Games last: 45 sec.
When lobby's starts: sometime TODAY!
What will you get?: All challenges unlocked, infections, modded clan tag and name.