Hey, all of you shut up. Unless you're blind or something you will be able to tell that this is an unpainted model - Ive seen many great scratchbuilt models like this turn into works of art.
As for the model, I suggest turning it into an ork machine - the ramshackle look fits the reenskins very well. However, you may want to try thickening the teeth and neatening the guns and sholder plates