ETA: This file got purged in one of DA's weirdnesses a year or so back, but you can find it uploaded over here.
This tutorial shows a technique I figured out to paint a simple metal texture. I used Painter 7.0 for this example, but the same sort of thing can be done in Photoshop, Paint Shop Pro, Open Canvas, The Gimp, or almost any other computer graphics program. I used only two tools - the Brushes->Round Camel for applying color, and Liquid->Just Add Water for blending. Any paintbrush and blending/smudging tool should be able to do something similar to this. This is a modified comic-type style, where I fill an area with a base color and then apply highlights and shadows to it.
You won't find a high-tech shiny chrome metal texture here, because I haven't done a picture that requires one so I haven't figured out how to do it yet. This procedure results in a simple hammered-metal or brushed-metal texture, suitable for things like the forehead protectors the characters in Naruto wear, or simple metal objects like swords, tools, or dull jewelry (shiny gold and silver need to have sharper highlights added at the end).
thanks ^_^
Awww... I'm not good at DP ;<