Here is a research OOB which try to cover all usage of BT tanks from BT-2 to BT-7 and included also rare prototype versions. I prepared a new icons for various version of camo and also new pictures. Icons were based on drawings so I thing is easier now identify between BT-2 / BT-5 & BT-7. Hope this data and pictures will be usefully for new version of game.
My main source of Data was a Magnuski book "Czerwony
https://translate.google.pl/translat...-text=&act=url
But of course more precise detail and best photos were taken from Russian site aviarmor
http://www.aviarmor.net/tww2/tanks/ussr/_ussr.htm