Rule 34 Dev - 5_fingers abs anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anthro areola balls barely_visible_balls barely_visible_genitalia biped brown_areola brown_body brown_fur brown_hair brown_mane brown_nipples casual_nudity cloud crossed_legs crosslegged_pose day detailed_background equine_genitalia equine_penis eyebrows eyes_closed feathering fingers fur genitals grass hair hooves leaf lotus_pose male mane mane_hair meditation mottled mottled_genitalia mottled_penis mountain muscular muscular_anthro muscular_male naked_yoga navel nipples nude nude_male outdoor_nudity outside pecs penis penis_tip plant sheath sky solo tail unguligrade wind yoga conditional_dnp tgt1512 marvin_(marvin) equid equine horse mammal equine_sheath artist_name digital_media_(artwork) hi_res|17986736950