Why do I think this is a cool snake drawing? Use your photo editor and turn it into its negative and it really shines. Of course, you could also use this vintage snake image as we found it.
The snake is sitting fairly high in the grass and his tongue is smelling the breeze. Download this fellow and use the image as you would like. In 1921, children all over the world were enjoying The Peacock and the Wishing Fairy and all of the wonderful illustrations it contained from Dugald Stewart Walker (1883-1937).
This image is copyright free and in the public domain anywhere that extends copyrights 70 years after death or at least 120 years after publication when the original illustrator is unknown.