CouponXL is the most complete deals, discounts and coupons Wordpress theme. It is specialized for selling deals, discounts and coupons online. Also it is optimized and perfect for affiliates websites. Affiliate or discount, coupon or deal websites no difference, they will work perfect with CouponXL wordpress theme for coupons, discounts and deals.
Demo: http://themeforest.net/item/couponxl-coupons-deals-discounts-wp-theme/10721950