CmdImg can render images in a glorious 16-colour palette straight to your CMD or Powershell window. Supports .jpeg, .gif, .png, .bmp, and .tiff formats (and probably a few others).
What Can I Use it For?
That's a good question. It was mostly intended as a bit of fun but it could be used to jazz up your success or failure messages in a build script or something along those lines.