Hi captain.awesome and :welcome to Armaholic
Yeah, lots of people are using their custom faces online. It just adds to the game, no matter if you make a funny face or a serious camo face.
Here you have a 40Mb pack full of custom faces: click me
Additionally you can get the face template with a wire frame from here: click me
Also, if you like, take a look at this
If you have any further questions let us know :)