ball1.png -
ball2.png -
ball3.png -
base.png - CC-0 by T7g
blob.png - CC-BY-SA by kripken
blood.png - "Feel free to edit, claim it's yours, use it in own projects" by FischKopF (http://www.quadropolis.us/node/2693)
bullet.png -
explosion.png - CC-BY by RaZgRiZ
flames.png - CC-BY by RaZgRiZ
flare.png - CC-BY by RaZgRiZ
lensflares.png - public domain by baby-rabbit
lightning.png - CC-BY by RaZgRiZ
muzzleflash1.png - CC-BY-SA by q009
muzzleflash2.png - CC-BY-SA by q009
muzzleflash3.png - CC-BY-SA by q009
scorch.png - CC-0 by q66
smoke.png - CC-BY by RaZgRiZ
snow.png - CC-BY-SA by Kevin "Hirato Kirata" Meyer
spark.png - CC-BY-SA by q009
steam.png - CC-BY-SA by q009
