The pads are generated.
Metal textures by http://www.photoshoproadmap.com/Photoshop-blog/2007/08/14/10-grunge-rusty-and-dirty-tileable-textures/
Lava texture by Elias http://telias.free.fr
Lava sound by http://www.partnersinrhyme.com/soundfx/disasters_sound/disasters_lava4_wav.shtml