2008 anthro balls biped black_balls black_lips black_nose black_penis brown_eyebrows brown_fur canine cum cum_drip cum_in_mouth cum_inside digital_media_(artwork) dripping duo equine eyebrows eyelashes faceless_male fellatio fur green_eyes hi_res horse lips male male/male mammal multicolored_penis nude oral oral_penetration penetration penis pink_penis pink_tongue sex side_view signature simple_background tan_fur teeth thick_eyebrows thick_penis tongue two_tone_penis yaoifairy