three colorful dogs illustration by Kirsten Ulve, fit as a butcher's dog illustration by Robert Wagt, simple cute brown dog illustration by Abner Graboff , relaxed smoking dog reading newspaper illustration by Madalena Matoso, a dachshund in a vintage ad by Donald Brundog, simple white dog illustration by Jared Chapman , grandma's dog kiss illustration by German ilustrator and author Wolf Erlbruch,boy and his dog crossing the street illustration by Ryo Takemasa, german shepherd, pug, poodle…