Orange:
White undercoat
Basecoat of Troll Slayer Orange (Layer)
Wash of Feugan Orange (Shade)
Edge highlight of Fire Dragon Bright (Layer)
Final fine edge highlight on only the spikeyest bits of 1:1 Fire Dragon Bright and White Scar (Layer)
Black:
Painted base of 1:1 Abaddon Black (Layer) and Mechanicus standard grey (Base)
Wash with Nuln Oil (Shade)
Highlighted with 1:1 mechanicus standard grey and Russ Grey (Layer)
Final fine edge highlight with Russ Grey.
Bronze/Gold:
Ghennah's Gold (Base)
Wash with Agrath Earthshade (Shade)
Little bit of Mithril Silver (Not sure what the new paint is called) for highlighting tips of spikes etc.
Here is the blog the image and tutorial are found on.
http://www.warseer.com/forums/showthread.php?374410-The-Kabal-of-The-Blazing-Sun-(Dark-Eldar)