This mod changes the sunglare texture. There are two ways to install the expanded means you've expanded your Oblivion Textures-Compressed.bsa folder and the other is if you haven't.


Expanded INSTALLATION:
Just copy textures into Program files/Bethesda Softworks/Oblivion/Data/Textures/Sky.
If it wants to replace any thing let it.

IF YOU HAVEN'T INSTALLATION:
Take the textures and make these folders in the oblivion/data directory folder: Textures then: Sky inside the texture folder after that... place the sunglare textures in the sky folder.