This was one of my first Mega Bloks customs... it's been quite some time (nearing two years), but as War Machine it's one of my favorites.
The gun metal color didn't do it for me, so I fitted him with some nice black paint. I didn't like the in hand gun design either, so I chopped those down, drilled holes in the arms and attached them there. The back mounted over the shoulder weapon holder seemed too bulky, I cut that down to size.