Need more? Go get it:
The 
Chicago Street Art group on Flickr is exactly what it sounds like: “pictures of any work deemed street art.” It’s open to the public, has more than 1,000 members and almost 20,000 photos so far. Check it out!
BombChicago features Chicago graffiti artists through pictures of their work, interviews and whatever they think of next.
The Wooster Collective was founded in 2001 to celebrate street art in cities around the world. And boy does it! Art is indeed everywhere.
