2010 3_toes abs all_fours anal anal_penetration anthro anthro_on_anthro barefoot beach biceps biped black_and_white blaine_edan boat canine claws cloud detailed_background digital_drawing_(artwork) digital_media_(artwork) doberman dog doggystyle duo erection eyebrows from_behind_position grin hurst male male/male male_penetrating mammal monochrome muscular muscular_male nude outside pecs penetration penis rock sea seaside sex sky smile teeth toe_claws toes vehicle water zillford