MOTHER MARY, THAT PICTURE IS HUGE.
Now that my shock has slightly subsided, I'll comment. So far the image is pretty nice but the shading could be a blended a little better. And the sharp, long things near the mouth are all at different angles. They would benefit from at least following a pattern in the angles.
"Yes, Ms. Flameel?"
"Multiply 47 times 83."
"Multiplication, it's math education! Isn't this swell? Oh, let's give multiplication a standing ovation...
so buy a calculator, study this stuff later!"
-Animaniacs (only a few good quotes from that song. Search "The Multiplication Song - Animaniacs" on YouTube
for this video and any other Animaniacs classic!)