These files:

explosion.jpg
fire_exp.png
guioverlay.png
guiskin.png
guislider.png
smoke_exp.png

have been licensed under the

"Creative Commons Deed / Attribution Non-commercial Share-Alike ( at-nc-sa )"

(c) 2006-2007 Markus "makkE" Bekel

-------------------------------------

All other files are Creative Commons...

<Megagun> Hmm... Anyone here knows the license for some of the files in the DATA folder?
<Megagun> There's a license.txt, but it only applies to a few files made by makkE
<eihrul> Megagun: i am actually not sure where the particles in the martin/ directory came from
<eihrul> well, er, some of them anyway
<eihrul> ball1-3 and base came from who knows where
<eihrul> Megagun: the .cfgs are all under sauer's source code license
<eihrul> Megagun: most of the images except for those 3 i pointed out in the martin/ dir are essentially creative commons