This image serves as the background for this forum, and I believe it contains various clues regarding future updates for Farthest Frontier. It is surprising to me that such a significant image hasn’t been discussed before. It is possible that it has been talked about in the past, but since I haven’t seen any such discussions here, I decided to start a new topic to see if this image has indeed been overlooked. Returning to the background image, it depicts three major elements that have not yet been added to the game. The first consists of a ship and a structure that appears to be a trading port. The second is a river. While the addition of these two elements had previously been announced, the third one—as far as I know—has never been explicitly confirmed. I am referring to the small black-and-white figures in the meadow near the gate in front of the central city; to me, they look like sheep. If this image hints at the future addition of sheep, I would be absolutely delighted. Sheep could serve as an alternative to flax—a crop I detest because it is prone to disease, requires vast fields, has a long growing season that heavily depletes soil fertility, yet is essential for producing various goods. I’ve written quite a long post, so thank you for reading to the end. I’m curious: how many others here would like to see sheep added to the game?
Far as I know this is simply an artist’s impression from years ago when the game was first announced. It was replaced by the more recent one you see at the start of the game.
There have been many requests over the years for more animals, rivers, water based play. Whether they will come to the game only the devs know. Devs said long ago that water based play might come at some point, but not for full release of the game. And Zantai did say recently somewhere (which I haven’t been able to find since) that things were “going swimmingly” re development. Make of that what you will.
…and of course many in the community make of it that we’re strongly rumouring about the next DLC being a water themed addon. 
But in the meantime, maybe you wanna check out some mods. For instance this mod here introducing rivers already now. Testing it myself for the first time just now:
Also, there is a nice mod introducing sheep and wool, including wool clothes, shoes and coats:
Thank you both for the information. I’ll definitely give these two mods a try.
There is a very minor catch with the wool mod though. You see, some soldiers like archers or light infantry also use the fur coat as armour. But if you additionally produce wool coats - which in the mod do NOT count as armour - and they equip those, the will show a misding armour icon but never equip a fur coat cause they already have a wool coat. Thus, I never produce wool coats. Only boots and wool shirts.
This image is currently my desktop wallpaper.