### 7.21.9 image files (*.png, *.pot, *.df3)

`bumpmap_.png`
  A color mandelbrot fractal image, presumably intended for use as a bumpmap.
`fract003.png`
  Some kind of fractal landscape, with color for blue water, brown land, and white peaks.
`maze.png`
  A maze.
`mtmand.pot`
  A grayscale mandelbrot fractal.
`mtmandj.png`
  A 2D color julia fractal.
`plasma2.png, plasma3.png`
  "Plasma fractal" images, mainly useful for landscape height fields. The file plasma3.png is a smoother version of plasma2.png, plasma1.png does not exist.
`povmap.png`
  The text "Persistance of Vision" in green on a blue background, framed in black and red.
`test.png`
  A "test image", the image is divided into 4 areas of different colors (magenta, yellow, cyan, red) with black text on them, and the text "POV-Ray" is centered on the image in white.
`spiral.df3`
  A 3D bitmap density file. A spiral, "galaxy" shape.