Head over to Redbox's Facebook page, 'like'em' and then click the 'freebie tab.'  You'll receive a one-time use code good for a one night movie rental on Thursday, Feb. 24, 2011 only.

http://www.facebook.com/redbox?v=app_112267968848558

Good site to see what other codes may work: http://www.insideredbox.com/redbox-codes/