Rule 34 Dev - 2009 all_fours anthro argyle barefoot biceps biped black_and_white bng canid canine canis digital_media_(artwork) erection eyebrows fingers genitals glans hair humanoid_genitalia humanoid_penis jackal line_art male male_only mammal monochrome muscular muscular_male pecs penis short_hair simple_background solo white_background|4275516568