“Quick on the draw”

I'm reviewing a graphics tablet at the moment, and today opened up a blank document to have a bit of a doodle. The below sub-Howson scrawl is the result of fifteen minutes' tinkering, and I was quite chuffed to see that, five years after graduating from art school, and rarely having picked up a paintbrush in the intervening years, I can still begin to knock together an underpainting. Do you have any dormant skills you sometimes use?
Howson
I'm off to the big smoke this weekend to see t'old ball and chain, do a bit of packing, and spend Monday doing work-ey things up London. Not long now, kittens...