Just print off the voucher in the link and get rent one get one free instore at blockbuster on DVD's, Blu-rays or Games.
Can mix and match but will get cheapest rental free.
Offer available to new and existing customers.
Posted this in the voucher section earlier but no-one seems to look there. Plus I thought, really this is just a bogof deal which happens to use a voucher, rather than like a money off code etc.
deal is in conjunction with pizza hut, in case you were interested :-)