'Modern Koi', Inspired by "Koi Traditional Japanese Painting", Watercolor Illustration by Jennifer Kraska [b., American], ~ [Isn't a tattoo but it has a similar theme to my idea. A beautiful sketch like this would be stunning].
"Vertical Landscape" by Eiko Ojala. It looks like a paper landscape but the artist actually works digitally and hand-draws all the elements to look like they're cut out of people. (Hint: the shadows help!