You can buy an eGift for someone on Redbox and for every purchase you’ll get a Free Redbox Bonus Code for a DVD for yourself via email within 48 hours. Code will be valid through 12/31/12.
Here are the lowest tiers for the eGifts:
5 DVD Codes for $6
5 BluRay Codes for $7.50
5 Video Game Codes for $10
You can send them via email or Facebook.