Hey there!
Here's a reference picture for all of the tilesets in the game so far: 0 to 7 are from the original game and 8+ are customs made by Trotim and I.
https://imgur.com/a/f7zJIMs
If people are interested in making their own, there is a guide we've assembled here (we recommend using GIMP if only because that's what we used and it lets you index to the game's palette easily).
https://github.com/dkfans/keeperfx/w...-texture-packs
also ferns:
https://imgur.com/a/e4jxZeD