The module turtlehas image support, but only GIF images, not PNG or any other format. As the docs addshapesay:
name is the name of the gif file, and the form None: set the appropriate image form.
, "gif ": , data.lower().endswith(".gif"), , , .png.
, , Tkinter , , PPM/PGM/PBM, PNG. PNG , Pillow.
, turtle. ( , ), .png .gif, .