It is displayed at the top and bottom of the stack, on each page.

It sounds to me as if you have an issue with displaying images at your end. Some firewalls can be troublesome when it comes to displaying images. I use the same browser and firewall here at the house as I do on the box I use at the shop. When at the shop, one of the ad logos does not appear, but it always appears fine here at the house. <shrug> Just shows to go you, we're still not living in a perfect world.