Amazon is offering a $3 credit to use at Amazon Instant Video.
To get the $3 credit,
Click here to to to the offer page at Amazon.
Click on the “Tweet and Get $3” button (thru 5/1) .
Amazon will connect your Twitter page to your amazon account and tweet “I just got a $3 credit for Amazon Instant Video for movies and TV shows @amazonvide.
You will automatically get a $3 credit to use at Amazon Instant Video added to your account.
Click here and and selecting any movie or episode that is upto $3 to watch for free (thru May 31).