This is not a mod. It's a small utility for adjusting settings of your monitor. Do not affect FPS, and you can use it with the other games too. I have made a preset for IL2 which fits to my machine and my monitor (on F5 button), you can tweak it or make other, whit settings that you prefer.
The irony is that I have this from 2003, and only now I figured the best settings for IL2
All credits to maker of this small utility Tomasz Porosinski, his readme file is included.http://www.mediafire.com/?sharekey=6059c7d2cf5a45b88c9e7c56ba37815fc6ae737650efcda3
1. Extract it anywhere on your computer.
2. Click on icon (that small butterfly)
3. Start IL2 and hit F5 button to enable it.
4. When you don't want the effect anymore (finished playing IL2 for example) hit F6 button or reset at utility panel.
This is how it looks on my monitor. Visuals can differ from machine to machine.