Register at the link below and then stay June 1- July 31, 2013 and on your second stay start to earn double miles. (Seems like a lot of programs are jumping on this bandwagon!) Or if you stay at a Staybridge Suites or Candlewood Suites you will start to earn double with your first stay.
I always sign up for these promos. Sometimes travel pops up and I don’t have to think about if I am registered.