I've just started trying out these guys, so I can't guarantee they're solidly reputable, but they sure do look good: https://brandcaster.coupons.com/ .
I signed up for two "campaigns" with them. The first creates a dynamic coupon gallery I store here: http://www.arph001.com/coupons/ .
The second is a direct link to a coupon gallery: http://bcg.coupons.com/link/index/1373510001/410351 .
Check these links out, and while you're there, browse through the coupons! I'll let y'all know in a month or so if I generate any significant cash from Brandcaster, or if it only pays fractions of a penny like AdFly and LinkBucks.