Train

Adapted from an 8 bit art.

Kitsune miko

A fan art for a Twitter artist (nsfw warning)
https://twitter.com/big_o_pants?s=09

2 Picture of fantasy like structures

Adapted from a Pixiv artist (かれい) https://www.pixiv.net/member.php?id=3410642

Shop

Adapted from a Street Fighter game's background with extra details filled in.