All sounds CC-by-sa Julien Jorge, produced with the following samples.

break:
CC-0 SoundCollectah http://www.freesound.org/people/SoundCollectah/sounds/109360/

explose:
CC-0 mbezzola http://www.freesound.org/people/mbezzola/sounds/105285/
CC-0 mbezzola http://www.freesound.org/people/mbezzola/sounds/105284/
CC-0 mbezzola http://www.freesound.org/people/mbezzola/sounds/105282/
CC-0 mbezzola http://www.freesound.org/people/mbezzola/sounds/105280/
