In Venice Beach, California, the graffiti is institutionalized on a set of concrete walls, layered with new paint daily:
I don't know if it's also considered legitimate to spray paint the palm trees, but why not? There are plenty of unpainted palm trees, and no one seems to mind.
Here's a dazzling display of graffiti supplies in a store on Melrose Avenue in Los Angeles:
Can we have some deep analysis of the reprocessing of imagery that was once racist — and is perhaps not still racist when used by the right people in the right way? I'm talking about "Mr. Black":