This mod enables high quality clouds in the low graphics settings. This is primarily useful for people playing in VR with a strong GPU (I have a 980ti) and weak CPU (like my 4690K at overclocked 4.5Ghz )
Note: In the graphics settings in the game you also need to pick high quality clouds.
The important lines in gpresets.cfg are in preset=0:
For clouds_samples I went over the top on purpose, to see the performance impact.