Occasionally the side bar on any SE site displays individual questions from the Hot Network Questions list as advertisement images in the usual 220x250 format (changed to 300x250 as of January 2016). Those are based on a specific design template that is in turn based on the advertized site's individual design (or the beta design).
But the ad that is shown is entirely random (or more specifically, subject to some mysterious heuristic) and I haven't yet found an easy way to take a look at a specific HNQ's advertisement image, let alone the design template used for building the ads for a specific site's questions, other than repeatedly refreshing the page and hoping for the best (in vain, though).
So is there any way to view a specific question's HNQ ad image or even a specific site's template image? I would be really interested how they look.