
NOT MINE:

Copied from BlackShades (explosion.ogg) with David Rosen's permission:
http://www.wolfire.com/blackshades.html:
ufodie.wav

Justin Fisher - see readme-jf-nebula_sky.txt:
sky*.png

Crack.com wonderfully made their work-in-progress art/sound public when they 
went out of business.  These sounds are from there:
smoke1.png
explosion1.png
shield.png
boom.wav
fire.wav
ufo.wav
engine.wav

gnibbles:
gotthelife.wav

OpenOffice.org supplies helmetr.ttf, under the GPL.
