1:1 2017 alpha_channel ambiguous_form ambiguous_gender blue_hair canid canine canis digital_media_(artwork) domestic_dog frown fur grey_body grey_fur grey_inner_ear_fluff grey_nose hair headshot_portrait inner_ear_fluff jaspering low_res mammal pink_sclera pixel_(artwork) portrait red_eyes shaded simple_background snout solo sparkles sparkling_hair thumbnail transparent_background tuft upscale