Edit: apparently this link got posted by itself on HN and someone else linked to the HN post replying to your question. After reading the article I googled for

Edit: apparently this link got posted by itself on HN and someone else linked to the HN post replying to your question. After reading the article I googled for “samurai jack art style guide” and found this (it has a bunch of backgrounds part way down): https://characterdesignreferences.com/art-of-animation-8/art-of-samurai-jack https://characterdesignreferences.com/art-of-animation-8/art...