The explosion sign on the levelshot (mimicking the original one by SvaRoX) was created using Wikimedia images:
	http://en.wikipedia.org/wiki/File:Triangle_warning_sign_%28black_and_yellow%29.svg
	http://en.wikipedia.org/wiki/File:Hazard_E.svg



asphalt
	http://cathorse-stock.deviantart.com/art/Asphalt-210515757

concrete14
	http://akinuri.deviantart.com/art/Concrete-Textures-217707286

dswp-red, dswp-blue
	text created from scratch
	the 3D effect uses layers of low-contrast asphalt (see above)

rust
	http://mayang.com/textures/Metal/images/Flat%20Metal%20Textures/uniform_rusted_metal_texture_6190180.JPG
