Share a post on your facebook wall and receive a $2 mp3 credit to your Amazon account
Upon successful completion of the Share & Claim action, a $2 Amazon MP3 credit will be automatically applied to your Amazon account. Promotional credits must be redeemed by 11:59 p.m. PST on November 30, 2012. Amazon MP3 music is available to customers located and with billing addresses in the United States. You must have an Amazon.com account and accept the Amazon MP3 Service Terms of Use to redeem your credit. Limit one promotional credit per customer.
So basically useless for us located in Australia?