Call of Duty 4: Modern Warfare [trainer +4]

Options:

F1 - No Reload / Infinite Ammo / Infinite Grenades On
F2 - No Reload / Infinite Ammo / Infinite Grenades Off
F3 - Infinite Health On
F4 - Infinite Health Off

Teleport
-F5 - Save Position
-F6 - Restore Position

F7 - Enable Levitation
F8 - Disable Levitation
-End - Toggle Freeze X and Y Axis

You can enable F3 when you die to come back to life.
You should save a teleport location before you use levitate
because you could get stuck in a wall from levitating too much
If restoring your teleport position does't work you have
to hold the key down until it teleports you.

http://callofduty.com/

download the file: cod4trn4.zip

(to unpack archives use: WinZip,WinAce, WinRar)