HELP, plz the crozfire hack wont work

ok, so i tried the pub hack dave gave us and the skype this didnt work, so i tried to inject in other ways, furst i tried omfgz, it injected successfully and got me in the game without crashing, and i was wondering, How the FUCK do i activate the hacks, delete doesnt work..., and im wondering, how the FUCK do u open the hacks in game if u inject without the MPGH injecters, like SKYPE, plzzzzzz help me!!! ty very much if u helped me, i will thank whoever helped.

well make sure it says this hack was created by mpgh.net at the top or some shit like that
but idk that one doesnt work for me either