Priority Club Rewards is rewards system with IHG (Intercontinental Hotel Group). They own the Candlewood Suites, Staybridge Suites, Holiday Inn Express, Holiday Inn, Holiday Inn Club Vacations, Holiday Inn Resorts, Hotel Indigo, Crowne Plaza, and Intercontinental Hotel.
They are running a promo where if you book your stay at a qualifying location through their website or mobile, you will receive a $25 Reward Choice Certificate for each reservation. You must book from now till December 31, 2012.
Before you book your stay, make sure to register for the promo here.