・There is no problem with using it outside of Maker. ・Secondary distribution of the reorganized material is OK as long as this HP name and the fact that it has been reorganized are specified. ・You are free to use it in your free-of-charge work, and you can also reorganize it by replacing parts or changing colors. Here is a google translate version of their terms:
Those amazing animal sprites are parts of a page that I always would love to recommend, but that sadly has very explicit content as well and therefore can never be linked here.
