Technique?Nothing special,first a basic colour and after a wash with white Agama acrilyc...the wheatering is made after real pictures.
KV-1 A[Pst],Moscow Batle:

Su-76[UM],Kharkow Batle:

A never finished H1 Tiger[Revell], Kharkow:

Tiger 1[Revell]initial production,Leningrad batle

M-20[Italeri],Ardennes

Bleiglanz,s.10cm k18 [Ace],Stalingrad

KT Porsche[Revell],Hungary

...and more.
The figures are converted from Revell German infantry[02502],one with a Preiser head.
Cheers!