The Repository is here
CMMODS is here
You will need to register on each if you haven't already, but those are the two places CMers look for maps, mods, and so on.
^^ and recon.
Never send a half squad anywhere a scout hasn't gone. Never send a squad anywhere a half squad hasn't gone. Never send a platoon anywhere a squad hasn't gone. Never send a vehicle anywhere infantry hasn't gone, and so on...
I know the major computer makers still sell PC's and laptops with 7 because it is rock solid and still very popular.
XP support just stopped and it will be some time before Vista support goes away, so any computer you're running with 7 will need to be replaced before support for that evaporates.
Thought it might have been Rambler, but couldn't be certain.
When I use it, I get a lot of trees normal, but quite a few show partially so it ends up looking like a strange graphics error.
If you're referring to this one, it doesn't have distant artillery or anything, but it has wind, tons of birds, buzzing flies, and frogs and bugs at night.