Get free $5.00 credit at Amazon Video On Demand when you tweet about @AmazonVideo and use it to pick out free movies or TV shows! Click on the yellow “Tweet and Get $5″ button. You’ll then be asked to login to Twitter. Then you’ll get a “Congratulations” message that you have tweeted and now have a $5 credit to use. You can get your $5 credit anytime before January 1, it will automatically apply to your next eligible order.