Well, I just finished testing it with attribute editor. They are really good with support, but suck if you send them in on their own. They're easily wiped while suppressed, mostly because they have 3 men instead of 4. Of coarse I didn't have the models, so I had to live with 3 giant blue boxes walking around the map.
If you want to give them the sniper model (it's an example just go to squad_loadout, select the epbs that you made. Then you go to that epbs and under animator (I think it's under model info? I forget) you select the model you want