Wyndham Rewards just launched their Winter 2011 promotions (W11PROMO) that rewards every 2/4/6 stays. There are two versions of the promotions – one intended for the US market and one for Europe. The promotions are slightly different. The qualified stays must occur between November 17th, 2011 and February 1st, 2012. The link for this offer is https://www.wyndhamrewards.com/trec/consumer/promoReg.action?promoRuleCode=W11PROMO&variant=.
The US version of the promotion rewards 6500 Wyndham Rewards points or 1000 airline miles/rail points for every two stays. In addition, there is 1000 Wyndham Rewards online booking bonus, and 500 points bonus for using Wyndham Rewards Visa for the first three stays.