A few nice Moon Tattoos images I located:

money smoke
Moon Tattoos

Image by bijoubaby

money flips you off
Moon Tattoos

Image by bijoubaby

Koi Fish Henna
Moon Tattoos

Image by henna lion
Primarily based on a tattoo style by Zach at River City Tattoo. Moon/sun style in left corner by Darcy.

My first time performing a koi fish! He was so exciting to do :) He was so content with his cute fins, and the scale shading was a pleasure.