Quick and simple. All files needed attached. Including a couple other injectors.
[YOUTUBE]<object width="480" height="385"><param name="movie" value="https://www.youtube.com/v/SPkgI52VvRw&hl=en_US&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="https://www.youtube.com/v/SPkgI52VvRw&hl=en_US&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed></object>[/YOUTUBE]
Text Tutorial with Pictures:
Step 1:
Download the MPGH Public Hack from
here.
This file will contain these three files.
Step 2:
Extract these files to the desktop.
This button:

These settings:
Step 3:
Run the hack as admin.

When the hack opens, leave the box that says "OK" open.
Step 4:
Open Crossfire.
Step 5:
Click start game and when the Game Watcher box comes up, click "OK" on the hack box.
Once you are in game you should see this in the top left.
Step 6:
Join a game. And push Insert. This menu should pop up.
Use the arrow keys to scroll the menu and activate your hacks.
Step 7:
Own with your new hacks.
Trouble Shooting:
If you receive an error such as this:
You will need to download the D3DX9_42 file, and install the .dll file into your System32 folder to solve the problem.
When injecting with other injectors use "crossfire.exe" to inject into.
VirusScans:
1.
MPGH Pub Hack
2.
D3DX9_42
3.
Faith Injector
4.
PerX
Blame false positives on Dave.