firing.wav:
	http://freesound.org/people/HerbertBoland/sounds/114595/

flash0.wav:
	http://freesound.org/people/roper1911/sounds/152322/

impact0.wav:
impact1.wav:
impact2.wav:
	http://freesound.org/people/FreqMan/sounds/24726/

lightning.md3:
lightning.jpg:
	see "sidrial license.txt"