seylan

Simply Type:
/console groundEffectDensity 256
/console groundEffectDist 140
/console detailDoodadAlpha 100
/console horizonfarclip 2112
/console farclip 777
/console characterAmbient 0
/console smallcull 0
/console skycloudlod 3

This will make your graphics significantly better looking, to undo simply type:
console groundEffectDensity 16
/console groundEffectDist 1
/console horizonfarclip 1305
/console farclip 177
/console characterAmbient 1
/console smallcull 1
/console skycloudlod 1
/console detailDoodadAlpha 1

Before and After Screenshots:
Before -

After -

It DOES lower your framerate a little, but in my case it was hardly noticable and i quite enjoy the new look xD

Enjoy

Ugur

works good nice :-)

Undead

thx my friend nice ^^