I gotta get a tube of that stuff !!
Pigment is messy to apply, well, its is if you like a lot of it like I do, but it sure does add to the finish.
I used a mix of Europe Earth(MIG3004) and Russian Earth(MIG3014) in an irregular application to cover the lower hull, tracks, and guards etc.
Slightly diluted PVA glue onto the relevant surfaces and dab the brush into the pot & onto each area, mixing the product on the brush and mostly using both at the same time.
The 200L fuel drum used for spare Diesel has been painted in Italian colours. Apparently there were several brands of distillates and oils exported in the '30's from Italian makers, so I took the view that this machines crew picked up one old drum from a village somewhere in the area & used it to increase the stored fuel capacity.
None of the outboard tanks were directly hooked into the machines fuel system, rather they were simply used to top off the internal tanks as required.
Still to really chip it up make it look the part, but you get the idea.
I also searched for anything I could use as shell cases for the rear deck. These massive weapons used 2 part ammo, so the internal space for ready-use ammo was tight. Many records of the floor being awash with extra cases and projectiles
I hunted the gun world for any straight cased ammo that is close to the scale.
Came up with .38-55 Short Win that has an almost parallel case, and now I have 60 rounds that I can cut down to the correct scale length.
They will need the rims thinning and the primer hole filling, but they will look ok once blended in.
There is a great period picture on one with the rear deck covered in fired cartridges that I may take some inspiration from to a lesser degree on this build.
I have the spare track segments set on the back guards, and the stowage bits almost done.
very well done Sir.