The building at 191-197 East Toole — the northwest corner of the wildly-angled intersection of two Avenues, Toole and 6th — looks different every time I ride by it.
(Here's a satellite view from Google Maps. When you click there, it'll probably look different than however it does now. By the way, I hope that link will show you the 45° view instead of a view from straight above. If it doesn't, try the menu at the top right of the window.)
Anyhow, here's a photo of the front of 197 E. Toole — Studio One — on August 28th, 2011:
Update (March 1, 2012): Today I met the man who works in this studio, Paco Velez. There'll be a photo on the March 2nd post. He's since painted over the giraffe, but he painted three more on the east side of the building, as you can see in the second photo on our February 29th post. (Are you keeping all of this straight? :)