Adbusters co-publisher Kalle Lasn calls it "culture jamming." It scored a major hit last year when Harper's magazine credited Adbusters with exposing a faked British Columbia tourism poster showing deer in a misty, sun-streaked woods. While Adbusters accepts no product advertising, it spices the magazine with faked ads of its own. Among its targets...

Adbusters, a feisty Vancouver magazine is gaining...