That look the teacher gives you when he purposely calls on you when he knows you don't know the answer because he's telepa- er, an occulmencer...
One thing I never got while reading the book or watching the films is why I never see Sev' wearing any protective gear while working with what is essentially magic chemistry. So I gave him some nifty goggles and dragon skin leather gloves. ;)
I'm real happy with how this came out especially considering the challenges I gave myself: angle and direction of light. I'm also happy with my improvements with backgrounds.