I'm doing a bit of line and light work at the moment. Now, when I say line, I mean dynamic line, and not many people do dynamic lines better than Mike Krahulik, so most of my practice ends up being quite cartoony, if not actually Arcadian art, as above. Still, it was good for developing light sources.
Yes, that's a page from the book on fire there. We'll call it "The Mad Arab Abdul Alhazred's Field Guide to Tentacular Anomolies" for argument's sake.