Looks like a good start. Is it for a black and white style film or just a look. Just curious as to the blood being read as opposed to using chocolate syrup or something. Make sure to shadow all areas that would be sunken in depending on how long he has been dead, cheeks, temples, either side of the trachea. where the skin will tighten and make the features more pronounce. and if you want narley teeth mix a few colors of food coloring and have him swish it around to discolor his mouth and teeth.