Here is how I painted the wood effect. All paints enamel Model Masters.
Base coat of MM wood and then gave it a coat of Dullcote, let dry overnight. On the car bed had also used MM Military Brown in random places, not on the gun deck though.
Car bed had a very light wash, gun deck gave a little heavier wash of Winsor & Newton Raw Umber oil. It was thinned with Turpenoid (Blue Can), let dry then spray a coat of Dullcote.
(This is the step I had forgot to mention before) using AIM Products Weathering Powder applied on selected boards Dirty Yellow and Medium Brown. Used mostly the Dirty Yellow. Put on dry with an old paint brush.
Next heavy dry brush random boards with MM Light Sea Gray.
Then light dry brush the majority of the boards with MM Light Gray. (I know, crappy pic)
Now the fun part, use an old brush and apply MIG pigment SMOKE BLACK P023 and INDUSTRIAL CITY DIRT P039 in areas and amount of your liken. Use rubbing alcohol as a carrier.
At this point I called it done for the gun deck but on the car bed I had once again gave the bed a very light dry brushing with the LIGHT GRAY to give a more worn look.
And here is the Gun Deck temporally in place