This website showcases graffiti photos from Scotland (especially Glasgow and Edinburgh graffiti):

Edinburgh
Graffiti is usually seen as vandalism of public spaces. But it can be seen as a valid artistic expression.
More here on graffiti as street art.
Posted by Gary Sauer-Thompson at August 31, 2005 11:56 PM | TrackBackHere is a link to my favourite graffiti site:
graffiti archaeology
When you have a public world hideously deformed by billboards, I see graffiti as high art.
Posted by: Michael on September 1, 2005 02:17 PM