I know, I skipped the thrid stage. Well, I didn't skip it, I just didn't post it. All I did was re-establish the darks (as you can see by comparing the first and second stages -- by adding the background by darks seemed washed out in comparison).
Anyway, this is not ment to be an art lesson or anything, I'm just showing the progress of the work at hand. You can see that I've established all of my local colour and my light values.
Now that the whole thing is roughed in I can start applying the paint in more of an imposto method -- trying to break away from the smooth, pollished look to a more tactile, thicker paint.