You can get a Free $4 Video-On-Demand Credit with the following steps.

1. Click here to start and select Redeem a gift card or promotion code as shown in this screenshot
2. A popup window will appear.  Enter code AVODGIFT as shown in this screenshot.
3. You now have a credit of $4.00 for Video-On-Demand at Amazon as shown in this screenshot.

You can find a large selection of Video On Demand here.  Note that the credit expires at 11:59pm on 1/3/2010, so remember to use the credit before that.
Originally posted earlier, this is just a friendly reminder.