Use promotional code LOVE2RENT at a Blockbuster Kiosk to receive a $1 off your rental through tomorrow (1/27).
You can also try to text any of the following words to 39777 to get $1 off any rental as well.
Remember that Blockbuster Express has new pricing: DVD titles within the first 28 days of release will cost $3 to rent; after 28 days, the initial rental price is $2, and after 90 days, the first-day price becomes $1. Additional days for all movies will continue to cost $1 plus tax.
(Thanks, Mojo Savings!)