4 Weeks of Blockbuster Online Trial for free after code EREWARDS1MSPECIAL. Be sure to click on Have a Promotional Code as shown in this screenshot. The trial period then shows up as 4 weeks on the next page. Here is another screenshot confirming the 4-week trial for reference. You get to have 3 DVDs at the same time, plus unlimited in-store exchanges.
Originally posted earlier, this is just a friendly reminder.