The super cute Köf locomotive is one of the most distinctive shunters/switchers in the world. There are too many LEGO versions out there for me to link to, but this new one by Henrik Hoexbroe was pretty enough to force me to work out[1] how to use the new flickr interface for a blog post.
[1] It’s slightly more annoying to navigate, and way uglier. But all the old functionality seems to be there.