This last picture is of the left side under the upraised arm. I started by cutting out a good portion of the side. I added a piston and some cabling (old broken guitar strings) and then built the area back up with some green stuff to make it look like an open wound. I also added some pustules.
It is only a few days away from the drawing to win a brand new GW Flyer kit. You just need to be a follower to have a chance to win.