Animated fighter spaceship by MillionthVector
http://opengameart.org/content/animated-fighter-spaceship
http://millionthvector.blogspot.de
http://creativecommons.org/licenses/by/3.0/

Animated particle effects #2 by para
http://opengameart.org/content/animated-particle-effects-2
http://creativecommons.org/publicdomain/zero/1.0/