http://nibbles.it/debian/
by Alessandro Polverini and Andrea Mottola, license same as open use logo

To create polverini_b.rle:

  1. convert polverini_b.gif polverini_b.bmp
  2. bmptoppm < polverini_b.bmp | ppmtolss16 #CCCCCC=7 > polverini_b.rle

     (CCCCCC is the color used in the grey background at top)