Toggle SweetFX on/off = `(~) = tilde key 

Extract SweetFX into the Root directory = \Ether One\Binaries\Win32\

It's up to you wether you want to keep SweetFX SMAA enabled or use in-game AA, SMAA is on by default

Go to "SweetFX_Settings.txt" and change "#define USE_SMAA_ANTIALIASING 1"  to   "0"
