Here's a collage of all four seasons all together. (In retrospect, I should have widened the other borders to match Winter's.)

Been out of commission with the flu the last few days, but on the mend now. I wanted to submit the Spring, Autumn, and Winter versions of my village of Arbor Hollow in case Remy finds it easier to process them at the same time as the Summer version, which was submitted as part of the Atlas contest.

Here are images, followed by the FCW files. The description is the same for each, but I will provide again here anyway.

Making progress on the symbols from Forest Trail. Cliff and river bank symbols have been swapped out for their snowy counterparts. Same with the ruins symbols, and the wooden bridge. Changed the trail on the western side of the wooden bridge to use the Forest Trail effects. Added breaks in the ice for the Spruce River, and as it continues down the Whispering Pines River.

For the ruins, there wasn't a snow-covered version that I saw. I thought about covering it entirely with a hill of snow, but discovered that I could make frosty patches using the "Terrain Default Cliffs Drifts" drawing tool, which I will also use (on separate sheets) to add a little snow to the rocky outcrops. This is how it looks on the ruins close-up:

Not sure I like the frost on the upper part of Whispering Pines River. Not sure if I should expand it, so it covers more of the iced-over part, or reduce/eliminate it.

Still need to swap out the trees and add snow to the outcrops.

Making progress!

I think all of the Darkland City symbols (tile and thatch buildings, walls, towers, stone bridges, hedges) have been replaced with their snow-covered Winter Village equivalents. The one thing that I don't think Winter Village has are the stone outcrops (Sue, please point me in the right direction if I've missed them), but that's okay: I have ideas for how to add little patches of snow to the outcrops. I also don't think there's a snow-covered equivalent for the derelict versions of the Darkland City buildings, so the one derelict tower I used (over in the ruins at #11) was replaced with a regular snow-covered tower.

One thing I noticed: when I used the Symbol Manager to swap out symbols, sometimes the replaced symbol was slightly off. In two instances, buildings were replaced with a 90 degree rotation from what I had, and in a number of instances, the buildings had been moved either on top of or too far off from the roads. I found it easiest to make one replacement and then check the map to move the placements if necessary before moving onto the next replacement. Slow and steady! Still better to do it this way than to manually delete and replace each individual symbol. Please let me know if you see anything that looks like it needs to be adjusted.

Still to come: replacing Forest Trail symbols (earth cliffs, deciduous and coniferous trees, ruins, rocks) with their Winter Trail snow-covered equivalents. And then adding breaks and cracks to parts of the rivers, and frost to the others. I had an idea for making ice skating tracks over the frost-covered parts of the frozen river. We'll see if I can pull that off.

I am ready to submit the summer version of the village of Arbor Hollow for the Atlas contest. The spring, autumn, and winter versions (as described in this thread) will be submitted separately, not as part of the contest but hopefully by Monday so that if it's more convenient for Remy to process them all together, he has that option.

Here are the files:

This is where Arbor Hollow appears in the parent map, the Kingdom of Gongadûr, which was previously submitted in this thread. It is located in the yellow-boxed area in this map:

Pretty sure this is my last submission for the contest, but I have tons more stuff in varying stages of progress to submit for the Atlas later.