http://i482.photobucket.com/albums/r...odexamples.jpg (280 kB)
This is a fairly simple edit of the stock BIS sky system. I removed the hideous "low clouds" (which will allow you to use skiptime without that glaring skipping issue in the clouds), and found that the cloudy skies they constantly block from view are actually quite beautiful. So, I kept those and edited them a bit to smooth out some bits and make them look more like rain clouds (imo). I also edited the horizons to be much darker. I felt that you couldn't get a really "dark/overcast" feel with the stock skies because the horizons were always SO bright, so now they aren't. I added a pure gray sky for the rainiest of weather conditions, although in hindsight it's not the best addition.
There are issues with this, but I made it for myself and I don't mind the issues, and I can't find a way around them anyway, so I hope you can deal with them also
This is a beta release due to the issues (the gray sky isn't quite right; the horizons get messed up if you're using a horizonless map; the sun still casts strong shadows even when occluded). But I don't intend to release a final, so this is as final as it gets unless there's a strong desire to fix it (if possible).