First go will need to sign up with Best Buy My Reward Zone Account, click here.
Than after you have done that create a share site with Shutterfly, and you will get 50 free photo prints plus 250 Best Buy Reward Zone points for signing up. Which equals to a FREE $5.00 Best buy certificate, click here.
Limited to the first 15,000 who sign up, so hurry! Go go go :D