[{HVY-E}Jinxx]

Change the Highlighted sections:

[Render_OpenGL]
TexQual=3
TexMipFilter=1 Change to 3
TexCompress=0 Change to 1
TexFlags.UseDither=1
TexFlags.UseAlpha=0
TexFlags.UseIndex=0
TexFlags.PolygonStipple=1
TexFlags.UseClampedSprites=0
TexFlags.DrawLandByTriangles=1
TexFlags.UseVertexArrays=1
TexFlags.DisableAPIExtensions=0
TexFlags.ARBMultitextureExt=1
TexFlags.TexEnvCombineExt=1
TexFlags.SecondaryColorExt=1
TexFlags.VertexArrayExt=1
TexFlags.ClipHintExt=1
TexFlags.UsePaletteExt=1
TexFlags.TexAnisotropicExt=1
TexFlags.TexCompressARBExt=1

TexFlags.TexEnvCombine4NV=1
TexFlags.TexEnvCombineDot3=1
TexFlags.DepthClampNV=1
TexFlags.SeparateSpecular=1
TexFlags.TextureShaderNV=1

HardwareShaders=1

Shadows=2
Specular=2 Change to 1
SpecularLight=2
DiffuseLight=2
DynamicalLights=1
MeshDetail=2
VisibilityDistance=3

Sky=2
Forest=2
LandShading=3
LandDetails=2

LandGeom=2 Change to 3
TexLarge=1
TexLandQual=3
TexLandLarge=1

VideoSetupId=17
Water=0 Change to 2
Effects=1 Change to 0
ForceShaders1x=0

That should give you a better look as well as better FPS.

Check your settings for your Nvidia Control Panel as well.
Set AA to 8xQ and Ansio Filtering to 4
Set Texture Quality to either Quality or Performance.

S!