abstract_background
anthro
biped
black_border
border
breasts
circle
equid
equine
eris_(marefurryfan)
female
genitals
horse
looking_at_viewer
luthien_nightwolf
lying
mammal
nipples
nude
on_back
pinup
pose
simple_background
solo
spread_legs
spreading
traditional_media_(artwork)
vulva
