Whenever a light is close to or on the ground (especially noticable on flat terrain), the light is made extremely dim and it for the most part only the light towards the southern part of the map can be seen.
(Can't submit a picture because photobucket won't take my .jpg format file!! They say they take .jpg format files!!).
They take my jpgs... Shoot them.
On the bug, I noticed that too and I believe it has been fixed in the private beta, I'll have to double check though.