http://woostercollective.com/
This is art by & for the people: visual images, pranks, grafitti, installations, performance, eclectic mud on culture's staid face. They seem amenable to receiving & publishing dispatches from you & I, your art or that you happen upon in the world around you.
For example: A Field of TV's in Silverlake -

Or this, from a Bulgarian artist going by the moniker Red One, creator of the anti-war poster scene in the image below:
