Here are some more good ones:
http://zephid.mag.attis.at/picx/cannabis.jpg
http://zephid.mag.attis.at/picx/viva-fidel.jpg
http://zephid.mag.attis.at/picx/weed_bikini.jpg

These ones are pretty funny if you can read German:
http://zephid.mag.attis.at/picx/google_deutschland.png
http://zephid.mag.attis.at/picx/taube_lehrbuch.jpg (it says "How to Shit on People: Beginner's Course in 12 Lessons)
http://zephid.mag.attis.at/picx/schlechtimbett.jpg (roughly, "I am so bad in bed you will have to experience it many times")