Check what nifs use a texture: Sky
From The Elder Scrolls Construction Set Wiki
[edit] textures\sky\CloudsClear.dds
- meshes\sky\clouds.nif
[edit] textures\sky\CloudsCloudy.dds
- meshes\sky\clouds.nif
[edit] textures\sky\Oblivion_Sky01.dds
- meshes\sky\clouds_oblivion.nif
- meshes\sky\stars_oblivion.nif
[edit] textures\sky\RainDrop.dds
- meshes\sky\rainheavy.nif
- meshes\sky\rainlight.nif
[edit] textures\sky\RainSheet.dds
- meshes\oblivion\gate\oblivionarchgate01.nif
- meshes\oblivion\gate\oblivionmagicgate01.nif
- meshes\oblivion\gate\oblivionwargateani02.nif
- meshes\sky\rainheavy.nif
[edit] textures\sky\SkyNebula01.dds
- meshes\sky\stars.nif
[edit] textures\sky\SkyStars.dds
- meshes\sky\stars.nif
[edit] textures\sky\SkyStars01.dds
- meshes\sky\stars.nif
[edit] textures\sky\SkyStars02.dds
- meshes\sky\stars.nif
[edit] textures\sky\SnowFlake.dds
- meshes\sky\snow.nif
[edit] textures\sky\SunBeam01.dds
- meshes\idleobjects\ascensionparticles.nif
- meshes\oblivion\gate\oblivionwargateani02.nif
- meshes\sky\sunbeam01.nif
- meshes\sky\sunbeam02.nif
- meshes\sky\sunbeam03.nif

