How to use the patterns?
 All the background pictures are in the format 640x480, which are (listed
 in order of creation):

  Triangle_AGA ...............Actually this is the main procedure to use
                              all the '#?_AGA' patterns.
  OpenTriangle_AGA ...........Guess what.
  CubeTriangle_AGA ...........Euhm...
  Square_AGA .................Yes, yes... Indeed...
  Polygon_AGA ................You really don't know hey.
  Square&Beam_AGA ............What are ya starin' at?
  BrokenRoof_AGA .............Just browsing.
  Triangle&Squares_AGA .......Indeed, an ordinary 4 planes picture!
  Hexagon_AGA ................A simple hexagon, really.
  Pentagon_AGA ...............No, no, no. Not the building. It has a
                              strange similarity though.
  Oval_AGA ...................Ha! You laugh hey... Just watch it,
                              carefully.
  Beams_AGA ..................Dum dee dum.
  CrossedSquare_AGA ..........Just another one.
  ThreeSquares_AGA ...........Hmmm...
  2ShadedBeams?_AGA ..........Aha....
  Cube_AGA ...................Wond'ring aloud.
  Letters_AGA ................Characters... Actually...
  TwistedAsHell_AGA ..........Just what it says.
  AnotherCube_AGA ............Wond'ring again.
  BarredCube_AGA .............A cube with bars.
  IncompleteCube_AGA .........This is getting boring, isn't it.
  2CrossedSquares_AGA ........Again another one.
  Something_AGA ..............I just don't know how to name this.
  ArcDeTriomf_AGA ............Yes, yes. I'm multilingual. I speak, write
                              and offcourse understand: Nederlands (I'm
                              from Belgium), Deutsch, Français and
                              English. (I'm really showing off here,
                              aren't I.)
  BraceHorizontal_AGA ........Be see'n ya!