Category explainations:

Outfit - ecchi clothing (or lack thereof)
>ex: maid, sling bikini, lace thighhighs, etc.

Pose - ecchi pose or viewpoint
>ex: face down ass up, sideboob, upskirt, spread eagle, etc.

Artist - self explainatory (don't have to know their name)

Type - a specific variety of girl
>ex: cat girl, mermaid, brown skin, magical girl, etc.

Body Part - try to get a zoomed in image or crop an image so it's clear

***will bump with template and some random images to get things rolling