So I threw together a PzIII G and a Stug III G (early) - from the PSC kits. Then realised how hard it was to make grey look interesting and real.
So far: - black undercoat.. overspray grey - not so heavy it was dense. Then - dry-brush neutral grey, pick out tools, and wash with thinned GW Badab Black.
So here they are works in progress: