Apparently, nearly every house in Nepal used to have charming hand-painted signs warning people of their dogs or other pets. However, this is a dying art, so American Michelle Page has started a business called Nepal Art Dogs. The idea is that you send a photo of your most beloved pet to her, and she will have an artist in Kathmandu create a sign for you. You can find examples on her webpage and at MessyNessy. Here are a few to give you a taste of what these artists have to offer.
This one looks like my Twitter avatar: