The Joy of Painting is a wonderful program—assuming you can get past the Afro and not doze off. But, if you don't have an hour to learn to paint "happy trees," check out street artist Fabian Gaete Maureira compose scenes like Bob Ross on crank.
Maureira works in Santiago, Chile, using primarily his fingers to speed-paint nature scenes on glass panes. According his display, each piece is completed in just about three minutes. I have no idea how he gets trees to appear like that but you can see more of his work at Arte100cia. [Arte100cia via Reddit].