Here is the link:
What is happening is that if you click the Facebook icon on any one of the coupons then it brings up a Post to Profile window with the correct link. But here is where I'm having the problem the Post page allows you to choose a Thumbnail. On the coupon I chose it gave me 6 thumbnails to choose from. I don't want to use any of the choices I'm given. I want to define the image it chooses (for example the clients' logo).