I am the main developer of such a modification as "Call Of Duty 4 Modern Warfare: Return to Alpha" and I will be very happy if you support my mod in ModDB when mod is release. And yeah i play not only in Call Of Duty :D
Hot Fix for CoD4 MW: Return To Alpha - Demo. Current Demo Version - 1.1
Try the brand new global modification for Call of Duty 4: Modern Warfare.