The Big ImageBoard (TBIB) - against furniture against surface against table all fours anal anal penetration anal stretching anatomically correct anatomically correct genitalia anatomically correct penis animal genitalia animal penis anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro athletic balls biped biting leash bitting black balls blue body blue fur brown body brown fur collar collar ring detailed background doggystyle duo equid equine equine penis erection eyes closed from behind position fur furniture genitals grabbing wrists hair hi res horse interspecies lady-darkstreak larger anthro larger male leash leash and collar long penis male male/male male on top mammal markings master mauro skyles medial ring moan multicolored penis muscular muscular anthro muscular male noz orlok nude on top open mouth orange body orange fur penetration penis pet raised tail sergal sex sheath size difference smaller male spots spotted markings table tongue two tone penis two toned body white body white fur wood yellow eyes