After a brief discussion with Yaron, I added result format drop-down to
Special:Ask on TechPresentations:
There is a lot to improve, but it's a good first phase.
If nobody objects, I'll check it into repository. Patch can be seen
Looks really nice! Maybe that would be useful for my wikis, too. What
if to make the images clickable
via image maps? That might be too much extra work, though.