V 3.0: Lens flares & dirt, visor reflections / water droplets, god rays, depth of field, night & thermal vision scopes, dynamic wet surfaces with reflections, rainbows, volumetric light & fog, colored speculars and many other effects.
Testing and tweaking the mod again. Not yet completely happy with the results - but I can do better (I hope) :P
are the sun shafts on at all time or only under certain conditions?
By default they are most intense when the sun is low (ie. morning and evening hours) and are not visible if the sun is too low or too high, but you can tweak that to your personal favor, there are a couple of adjustable values in the config file.