The ASPCA advertisement for help is focusing on the sympathy humans have for mans best friend by picturing a dirty bag, a red brick and a cute puppy with the implication that the dog will be put in the bag and hit with the brick to death. Not only is pathos exercised, but also logos in the addition of the images and the ethos in the puppy itself in this cry for help.

Picture is first one below. (with the yellow background)