This is another of my Works In Progress.  This one consists of a green-screen keylight and roto to isolate the subject, matchmove tracking of the environment to get good camera tracking data and environment coordinate references in order to set up the ruins environment for the subject.  This is also including fluid and particle effects within Maya to add the fire in the oil drum and blaster traces for the subject's gun.  Additionally, the green screen sample goes from a long distance shot that pivots as the camera moves in and transitions to a closeup shot of the subject.  We'll see how well it works out!  Keep your fingers crossed!