Vintage Style Jungle Poster Art Print by John Dyer. Healing Shaman. Amazon Rainforest Spiritual Snakes and Butterflies. Animal Art PrintsAmazon rainforest fine art poster print by British artist John Dyer that depicts the Yawanaw Tribe's Healing Shaman who adds good spirits, prayers and plant medicines to the shamanic pot. This invokes the power of the sky snake (boa constrictor) and the snake of the earth (anaconda snake) to help to heal a poorly member of the tribe. Spiritual butterflies carry the energy up into the canopy and connect the energy from the shaman and the rainforest. A