I wonder if screen resolution really matters much. I've got a widescreen monitor, which should mean the image gets stretched a little, maybe ? Female #4 still does not look fat to me. Number 1 definitely looks unhealthy though, anorexic, or close to it.
Of male body types, I usually pick options number 2 and 3, though I kinda wish I'd picked number 4 on my trooper and made him a bald man (I AM BULLLET PROOF! *ratatataa*)