Here are a couple codes to use at Blockbuster Express.  Good for one night free dvd rental.

BBXHERE (expires May 8, 2011)

QUIKTRIP (good at QuickTrip stores only, thru June 30, 2011)

Blockbuster Express kiosk locator here.

Use promo code: HELLOMONDAY to get a free one-night DVD rental from Blockbuster Express.

Find your nearest kiosk. Browse and reserve your movie here.

Here's a Groupon offer to get 5 Blockbuster Express Promo Codes for $2.  Good thru May 1, 2013.  1 Per Person.  Can buy more as gifts.  Valid at any kiosk and for online reservation for pickup at kiosks.  Can use over multiple visits.  Not valid on 'Blu-ray' or 'Hot List' titles.

Kiosk locations here.  Find other deals from Blockbuster Express here.