Login or register and if you don’t mind,   add Free Stuff Times as your personal Shopper. Then go here and enter the contest. Within a half hour you should see the $2 credit in your surprise point page.
You can also get two more entries with these codes: BooostMe and B00STNPO1NT . You may have to logout and log back in again. You can use the credit at both Sears and Kmart.