rule 34 169 2019 3d 3d artwork 5 fingers alicorn anthro ass blue hair butt focus close up cutie mark digital media artwork duo eqamrd equid equine feathered wings feathers female fingers friendship is magic hair hi res horn mammal my little pony navel nude patreon princess luna mlp princess twilight sparkle mlp pterippus purple tail pussy rear view red tail simple background standing text twilight sparkle mlp url wings 3293474