I have to thank The Daily Dave for reminding me of my love/hate relationship with advertising. Check out Subvertise.org or RTMark (very cool) for some corporate marketing bashing.

One of my favorites (which I should visit more often) is Adbusters.

If you'd like to learn more about culture jamming, check out The Culture Jammer's Enclyclopedia, the Theory of Culture Jamming, or this link.