Rule 34 Dev - ass ass big_ass big_butt cutie_mark dynamo1940 equine exposed exposed_ass featureless_crotch female feral friendship_is_magic hasbro monochrome my_little_pony smiley_face smiley_face_on_butt stuck stuck_in_object stuck_in_tree tail tail_raised tail_up through_wall traditional_media_(artwork) tree twilight_sparkle_(mlp)|9614523248