overstockArt.com - Rousseau - Woman Walking in an Exotic Forest Oil Painting - Enjoy Henri Rousseau&#039;s beautiful display of naive jungle themes, Woman Walking in an Exotic Forest. Today it has been hand painted on canvas, color for color and detail for detail. Henri Julien Felix Rousseau was a French Post-Impressionist painter. Also known as Le Douanier (the customs officer), he was a tax collector. Ridiculed during his life, he came to be recognized as a self-taught genius.