Everything is so much cuter - and tastier - in edible form. Take dogs, for instance. Whether you miniaturize them to top a cupcake or make them out of buttercream to top your cake, they becomes instruments of decoration and pleasure once they get adapted to cakes.
Watch this cake decorating tutorial to see how to create a dog-shaped buttercream transfer that you then transfer onto a cake. You don't have to do this with a dog picture, however. Use whatever picture you'd like but watch the video for the method.