kunreishiki should have a hyphen in it, and could also probably use a fuller, more intuitive name like kunrei-shiki_romanization. I have started nippon-shiki, but there is a lot of overlap with Kunrei-shiki. I believe all of the current Kunrei-tagged images (besides a few images that are inconsistent anyway by mixing in Hepburn spellings like post #1257) could also be considered Nippon-shiki, though it's possible there could be some Kunrei-tagged images in the future that don't overlap (the romanization of ぢ, づ, and を being the most likely points of difference). Maybe there should just be one neutrally-named tag for non-Hepburn spellings?