Well, I just don't have much time to actually play or fiddle with the editor. But I already have some ideas for other buildings that don't have many templates or don't have them at all.
So when I get time, I am planning to make at least 10 to 15 templates for various buildings.
Also, I've noticed that the template for the ghost hotel is a bit off, some of the panels are not in the right place. (don't have screenshots right now)
Spawning stuff for the ships would be nice, but I wondered - is it possible to make a drop-down list where you can choose a specific template to spawn on the building? It will improve usability drastically.