Here some tweaks to improve framerate.

[Doc_uk]

How the hell do you install this to get it working

To install, first install the SFSMOD v1.1 (or newer) from:
http://www.kegetys.net/misc ive done that
and make sure it is working. Then, extract this archive to
the IL2COD directory (so you get the "nossao" dir under the game
directory). Finally use -mod=nossao commandline parameter to
enable the mod for launcher.exe.

That is the worst install guide ever
How about telling us how to enable -mod=nossao commandline parameter
Not all of us are computer experts