Adbusters keep doing great stuff. The carnivalesque rebellion may or may not be up your alley but buy nothing day is for everybody ! Get into it.
Other Adbusters related fun things..
Magazine Articles:The Logic of not Demanding – a great critique and suggestion for activism.
In a perverse way our protests may actually be reinforcing and validating the global consumerist regime.
BND – The Motivated Youth – Barter Market
Their campaign targeted at economic academics – Kick it Over