Thanks so much for all your kind compliments!, they're encouraging indeed!.
Every words will be translated (into Thai) and printed for 'Art Instructor', he's
grateful for all your kindness too.
rebelreenactor, to get chipped paint on the models, 'Art Instructor' used No.1
brush (smallest brush) and touched with 70% black and 30% dark brown paints
(on models with one base color such as sand or gray). Please try it and see if
you can achieve what you want.