How to Connect?

Hi, i'm new. I have a little question How to connect a server? i want play on this server: http://www.mpgh.net/forum/308-call-d...d-v2-61-a.html

But how?:P i have Original MW2(steam)

First, this post is not about a server, but a mod, there FallenSouls is introducing her mod
Second, to use tthis mod on steam, u will need MW2 Liberation