Skies

Crabb, R. (2008) Matte Painting of Sky for film Speed Racer. 
Avaliable: http://www.crabbdigital.com/film/b7rlbiute42gcbq18o8e7ezqh8lu42
Last Accessed: December 1st 2015.

Bayle, R. (2010) Matte Painting of Sky for film Tron Legacy. Available: http://www.romainbayle.com/matte/films/tron/tron_main.htm Last Accessed: 1st December 2015.