Used to shade these early in my graphics career on marapets, but I'm revisiting them with my new techniques :3
Base by AcidKitty3:
http://acidkitty3.deviantart.com/
(She gave me permission to use this base)
Examples:
To order one just fill out this form & post it here (makes it easier than maramails) xD A basic custom (not too many extras) is 20k, but for really detailed ones, I'd love a tip :3