List of faces here. Have picked the skull one, though the clown would be pretty cool as well. Should all decide on one though.http://www.ofpec.com/faces/index.php?action=list&game=ArmA&page=0
How to add into game :
1. go to "My Documents / ArmA 2"
2. place the .JPG picture there, named as "face.jpg". File size should be below 100kb
3. launch the game, go to Player Profile and select Custom Face