I'm a big fan of watercolor painting and while I was at the Kumamoto Castle snapping a few shots with my camera, I noticed a fella painting a sick portrait of the castle. He looked up at me, smiled and I told him (in English), "Looks good." Figuring that he didn't understand, I also threw in the Fonz's thumbs up to solidify approval.
He looked back down, drew a couple more swipes, looked up, and asked (in English) where I was from. We spoke for a bit and he explained that he was the art teacher who was in charge of the many students who were at the castle that day.
...And another piece he whipped up: