After some successful advertising campaigns during the American Super Bowl here are some rules to respect when you want to create a successful campaign based on Consumer Generated Content. The idea of such a campaign for a client is great BUT you have to do it right or your campaign may turn veeeeery sour.
http://feeds.feedburner.com/~r/JaffeJuice/~3/92571921/guest_post_tang.html http://adweek.blogs.com/adfreak/2007/02/usergenerated_s.html