Bentley's House of Coffee & Tea, at 1730 E. Speedway has been a supporter of the arts for as long as I can remember. They've been in Tucson longer than that: since the late 1980s. (One of my favorites is the Tucson Youth Poetry Slam. If you haven't been to a slam before, you should know that this isn't a typical sedate poetry reading: these talented poets write and perform some strong stuff.)
Anyway, on January 6th, Mark Fleming spotted an artist painting a mural on the south end of the east wall:
Update (October 28, 2013): Allison Miller (who painted this mural) also has a new mural in Swanway Park.