I used Vallejo Model Air "Rust" (71080) and some of the nice Vallejo Pigments. (here: Natural Umber and Yellow ochre).
The Result was a nice uneven Rusty Surface. I finally only had to apply some Vallejo Game Color "Orange Fire" (72008) to get bright oxydeous Highlights.
|click on the picture to enlarge|
To get an contrast i choosed to paint the non Rusted Parts with Vallejo Game Colour "Tinny Tin" (72060) followed by an washing with Citadel´s "Devlan Mud".... now i have to apply an turquoise- green Patina to all the Tincoloured Parts....
Then this Model will look like his name is: "Helljack" ( not the archetype and boring Black-Green Pattern which is mostly used to paint Cryx)