Yes, "nomuse" is the handle for our 3D artist.
1/56th scale is the best fit for 25mm figures. There are some useful vehicles among the items offered by these manufacturers:
http://www.companyb.biz/
http://sloppyjalopy.com/
http://www.diewaffenkammer.com/index.html
http://www.warlordgames.com/us-store...l?___store=usd
http://www.agnminiatures.com/
http://www.brigadegames.com/WW2--Vehicles_c_194.html
http://www.westwindproductions.co.uk...hp?cPath=26_79
http://www.sandsmodels.com/
Of course, for every "modern" vehicle, there are a half-dozen Second World War vehicles from those makers ... A fair amount of die-cast modern commercial vehicles are available cheaply in 1/55 or 1/56 scale.
If you prefer 20mm scale, S&S is very strong in that category. And if you want truly long-range engagements, you can go to 1/256th scale.
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Michael B.