R.Crumb made me do it...
Artwork above, copyright (c) Robert Crumb, who's work is on display at the Yerba Buena Center for the Arts in San Francisco through July 8, 2007.
I take most of these pictures while riding my bicycle around San Francisco. I hope you will enjoy viewing them. August 27, 2007 and before: $15 Radio Shack digigr8, 300 kilopixel camera. November 13, 2007 and after: Canon SD1000