Vandalism can be good.

Living in San Francisco the anti-bush slogans/protests/etc can get somewhat tiresome.  I've always felt that people that express an opinion around others that agree with them are more interested in feeding their own ego then actually accomplishing anything.  Sometimes however, they actually think of something original.   This is one of those examples:
http://www.sfexaminer.com/local/Obama_signs_temporarily_replace_Bush_signs_this_morning.html