For the Changeling model I tried a Vallejo texture paint named Armageddon Dust. The paint is very gritty with a sand like texture so this gave the base a very natural earthy appearance. Once it dried I coated it with dark brown wash paints for shading and dry brushed it wit a lighter bone color for the highlights. Then I glued on some Army Painter Battlefield field grass and the final result looked like this.
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Citadel Technical Paints [Overview & Review with Images]
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