Here's a PDF of a "graffiti report card" that you can fill out and place next to graffiti in your neighborhood. Brandon Thomas Baunach, the creator of the report card explains:
It's a project I started a couple of months ago after seeing my neighborhood (The Mission District of San Francisco) receive an amazing amount of ugly, large, and talentless graffiti. I wanted a way to combat the ugly graffiti while at the same time give praise to the talented graffiti writers who I feel make the streets more beautiful. It occurred to me, that many of our local taggers don't realize how ugly and talentless their graffiti is, so I wanted to give them some feedback.
