This mod from Bobfinkl is a collection of textures for Yavin and Endor. They are all snow related.
--Foliage snow skins - By Bobfinkl--
Note: Do not use this if you don't know how to mod!
Includes: snow skins for all endor trees, fallen trees, boulders, and foliage
Installation: copy the GAD.prp into your world1 folder and rename it to whatever you 3 letter mod ID is, make sure it is also added to your ***.req, copy the endor msh and odf folders to your world 1 folder, then copy what isn't in the PC folder into the msh folder and whatever is in the PC folder into the mshPC folder.
Pandemic - The original skins
You can do whatever you want with them but you MUST credit me if you want to use these.