No begging, first off all.
Second, to get a hack, look at the threads half way past here. CrossFire Hacks - MPGH - MultiPlayer Game Hacking
Download a hack, and now you'll need an injector.
CrossFire Spammers, Injectors and Multi Tools - MPGH - MultiPlayer Game Hacking
Extract them both.
Open the dll from the injector and set the target process to crossfire.exe.
After HGWC is done loading, then inject.
Enjoy sir.