Pending your answer to the above proposal, here is another installment.
Kollaa - Fire Brigade Locomotive
I see that it is going to be a bit of a task to "localize" these Winter War maps in two respects:
1) Much of this territory, at least so far, ended up as the Russian Republic of Karelia, hence place names appear on maps in their Russian versions.
2) There aren't that many locations to begin with! Here is a map of Suoyarvi (Finnish: Suojärvi). It is approximately 34km from Suoyarvi to Loymola and there is only one village, Piytsiyeki, along the way. Suovarvi is in Wikipedia (hence my being able to find the Finnish version of the name) but the other two don't even show up in Google searches.
I do not want to use the Russian names (anything that ends in "ki" is definitely out), so I may need to employ a bit of artistic license. Hence Piytsiyeki becomes Pitkäranta which I picked up someplace nearby; Loymola remains Loymola because it doesn't sound too un-Finnish; and the fourth objective point becomes "Train Station" (see below).
After the well-written introductory blurb (except for its use of "it's" for "its,") I was excited about the Finnish armored train! Imagine my surprise, then, to open the scenario and find no train. The disappointment . . . this had to be remedied. Thus:
That one is on the map to begin the scenario. The second one comes along in Turn 5 as you intended (below should say "Defence Command" - I corrected it):
Source: Finnish Armoured Trains 1918 - 1940
To compensate, I removed the second armoured train spawn trigger in Turn 6. The tradeoff for having the first train for four extra turns: Needing to protect them as a secondary objective.
According to our agreement on the specialisations schedule, I removed the +1 specialisation point from the "Shoot down at least 1 enemy air unit" objective. It still provides a commander and the "Do not lose more than 2 infantry units" gives +1 specialisation point.
Here is the array of secondary objectives with the two new train objectives highlighted; the first one will shut off when the second one activates:
Removed deployment hexes that were in Soviet territory. Distributed them to other areas.
There was no place to deploy a Finnish fighter once the player received the extra command points and resources and purchased it. The Off-map Air Supply Source was off. I fixed.
In addition to the new armoured train objectives, I beefed up the downed enemy aircraft module. I did some other secondary objective trigger editing as well.
By the way, I see what you are doing with the Finnish commanders. I am tracking them and will offer them in the same order but perhaps spread out a bit more. So far, there's been one land and one air commander offered. I want to work something in that tests for whether those were successfully activated; if not, offer them again; if so, offer the next in line.
This scenario has been uploaded to the "Back to Erik" folder.