Welcome! Please follow these steps to get your $6 Tribeca credit.
Click the button below and you will:

Connect your Amazon.com and Twitter accounts. (If you are not already signed in, you will be prompted to do so).
Automatically follow @amazonvideo and @americanexpress. The message "I just got a $6 credit for a free #TribecaFest movie rental at @amazonvideo from @AmericanExpress. Get yours http://amzn.to/gEaPlC" will be automatically tweeted from your Twitter account