Receive Free $10 Credit towards Select TV Shows at Video on Demand from Amazon by subscribing to the TV-centric email newsletter by 8/15.  The code will be emailed to you on 8/17.  Here is a screenshot for your reference.  The TV shows are available in both standard definition and high definition format and include Warehouse 13 Season 1, Curious George Season 1, 30 Rock Season 2, House Season 4, Psych Season 1, Royal Pains Season 1, Battlestar Galactica Season 1, and Knight Rider Season 1.
Originally posted earlier, this is just a friendly reminder.