The AF / ambient illumination mod is a necessity so you can get full anisotropic filtering when Parallax Occlusion Mapping is enabled. It also increases the plasticity of shadowed regions.
If you have trouble finding it, I can totally send you it. Also, I think the High Resolution Foliage mod is rather well made.
The Xzero shaders are great in general, but the are unfortunately broken in a few instances (all volumetric light spot light casters are completely broken).
edit: Also there are some great config edits which increase the graphics beyond the in game very high setting chief of which would be:
That makes it so that almost all momentary muzzle flashes from player and AI also cast shadows, kinda like Metro 2033 or Killzone 2.