Alton Brown's wife Elizabeth Ingram loves Goe Oil. After she puts it on...keep watching!
It does not show on mobile. This could have a coupon code, announce a sale or have mailing list sign up. It can also link to a product. I don't see that it's possible to add an image. This is a built in feature. It's possible an app can have pictures. It will only show every 30 days per person. .