I really dislike the default texture for Falmer cave ceilings. It's talked about with pics here:

http://skyrimforums.org/threads/are-these-things-graphic-artifacts-or-part-of-the-game.7229/

Are there any texture mods which replace this? I know it's meant to be some sort of crystal or glowing lichen that's found exclusively in places were Falmer dwell, but I find it really off-putting.

It's like stepping into some electronic-Tron like world imho.

Any alternatives out there?

i always thought they were ment to be cave glow worms, i kinda like it. http://www.google.co.uk/search?tbm=isch&source=mog&hl=en&gl=uk&client=safari&tab=wi&q=cave%20glow%20worms&sa=N&biw=320&bih=416&sei=BBlrT9TOCOLB0QXY7ZC6Bg#p=0

The vanilla texture is one of the ugliest Ive ever seen.

I agree. Have you seen anything better?

Pretty sure that is a directional material and not a texture. Same as the snow effect applied to rocks and buildings.

it got used to pretending myself that its not ugly but creepy and eerie.