Hey Chris2balls,
I do not like the wild dithering on the head! It doesn't really convey any information about the texture of the monsters head (which looks like it is supposed to be slimy or fleshy). Also, I do not quite like the light source on his head either, it get's darker towards every edge. From what it looks like, the left of his head (right to us) shouldn't be dark like that, it should maybe be a little lighter.
The lines and shape of things are good though, I especially like his back foot.
Keep working on it, I'm watching for updates.