I do fancy a small river, or at least a stream and have seen a nice one on the Emperor Toads Emporium site (and I am saving money on the gaming mat!). But I do have two box loads of small scale rivers in the loft for my 10mm games, which would make a good stream in 28mm. as I have more than 24 feet of small river (perhaps a touch excessive, but they were a bargain on Ebay a few years back) I can afford to donate a few pieces to my new project.
So after a good going over with a stiff brush to loosen as much of the green flock as possible, a couple of coats of white paint and a few dead looking clumps of grass, I now have some suitable wintry stream pieces.
I've also picked up some vehicles from my local Tuesday Flea market. There's a stall that specialises in diecast models, usually the more expensive top-end stuff, but he usually has a couple of bits boxes of cheap stuff. After a bit of a rummage I got these three for less than £10 the lot.
This does mean that I have to think about roads now, as I don't think these would get very far trying to drive cross country in snow!