To be honest, the only way to turn off eye-candy (INSMODSCUM actually prefers to play without HDR and other annoying shit; old habits die hard) is to use lower DirectX level (dxlevel), but you can't do that. Thanks New World Interactive!

https://github.com/insmodscum/insurgency.config

Direct:
https://raw.githubusercontent.com/insmodscum/insurgency.config/master/insurgency/CFG/AUTOEXEC.CFG

Also see:
http://insurgencymod.blogspot.com/2011/11/insurgency-configs.html
http://insurgencymod.blogspot.com/2014/01/noted-insurgency-nwi-cvarlist-1.html
http://insurgencymod.blogspot.com/2014/01/noted-insurgency-nwi-cvarlist-2.html
http://insurgencymod.blogspot.com/2014/01/noted-insurgency-nwi-cvarlist-3.html

and

http://whisper.ausgamers.com/wiki/index.php/Fps_problems
http://whisper.ausgamers.com/wiki/index.php/Source_rates
http://www.ganggarrison.com/forums/index.php?topic=20048.0


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