Jungle lightning image on home page retrieved from:

http://www.listofimages.com/wp-content/uploads/2012/02/ultimate-nature-clouds-forest-jungle-lightning-nature-trees.jpg

Lightning favicon retrieved from:

http://www.clker.com/cliparts/I/I/d/o/i/E/black-and-white-lightning-bolt-md.png

Lightning background image retrieved from:

http://www.crh.noaa.gov/Image/gid/Public_Relations/LightningSafety2007/lightningbolt2.jpg

Lightning tower image retrieved from:

http://media.katu.com/images/080612_radio_tower.jpg

All other images are original, and all animations are original, some using the images above.

For a full list of references with regard to content, see report (link on homepage).