16 Apr 2007

About The Images and Sounds Used In This Game
---------------------------------------------

The graphics and sounds used in tuxmath are all either licensed
under terms that allow free redistribution, or are in the public
domain, as summarized below to the best of my (David Bruce's) 
knowledge. Licenses are GPL except as otherwise noted:

data/images/backgrounds/*:
  0.jpg - 3.jpg: Created by Sam Hart or Bill Kendrick with the GIMP.
  4.jpg -12.jpg: Modified by David Bruce using the GIMP from images
                 released into the public domain by NASA:
  http://hubblesite.org/newscenter/newsdesk/archive/releases/2005/04/
  http://hubblesite.org/newscenter/newsdesk/archive/releases/2004/52/
  http://spaceflight.nasa.gov/gallery/images/station/crew-7/html/iss007e16249.html
  http://spaceflight.nasa.gov/gallery/images/apollo/apollo16/html/as16-120-19187.html
  http://hubblesite.org/newscenter/newsdesk/archive/releases/2003/24/
  http://hubblesite.org/newscenter/newsdesk/archive/releases/2003/11/
  http://hubblesite.org/newscenter/newsdesk/archive/releases/1999/29/
  http://hubblesite.org/newscenter/newsdesk/archive/releases/2003/28/
  http://hubblesite.org/newscenter/newsdesk/archive/releases/2005/12/image/a

data/images/cities/*: Sam Hart/Bill Kendrick.
data/images/comets/*: Sam Hart/Bill Kendrick, some images modified by either
  David Bruce or Tim Holy.
data/images/igloos/*:
data/images/penguins/*:
  Images either created by Tim Holy, Linnea Holy, and Kendra Swanson or modified
  by these authors from Creative Commons-licensed material at:
  http://www.openclipart.org/
  (license text: http://creativecommons.org/licenses/publicdomain/)
data/images/sprites/*:
  All tux* images modified by David Bruce from either Larry Ewing's Tux drawing
  or from GPL-licensed tux_config.png file in KDEArtwork from KDE. Goldstar*
  images created by David Bruce using The GIMP. Other images
  brought in from GPL-licensed images in Tux Typing. 
data/imates/status/*:
  right.png, right_gray.png, left.png, left_gray.png, stop.png modified from
  GPL-licensed KDE icons by David Bruce using the GIMP. All other images created
  by Sam Hart or Bill Kendrick.
data/images/title/*:
  menu_bkg.jpg modified by David Bruce from public domain image from NASA.
  title1.png modified by David Bruce from earlier image by Sam Hart.
data/images/tux/*:
  All images either created by Sam Hart or modified from Larry Ewing's
  Tux drawing <ltlewing@isc.tamu.edu>.

data/sounds/*
  Emmett Plant (emmett@sonivius.com) is the author of tuxi.ogg and released 
  it into the public domain.
  The brief .wav files were either made by Sam Hart or Bill Kendrick or obtained
  from the public-domain section of www.partnersinrhyme.com.
  The three background music files (game*.mod) are also public domain.

