Texture packs are here, the shaders are include in the pk3 files so just place the pk3 in your base folder and you are good to go.
The models are here too, the textures are included in the pk3 files,some of the models are quite big with the textures, but i think they are worth it, hopefully you will too.
Full size AT-AT walker, its in .ase format as are all the models on this page, it in a pk3 too so installation wont be a problem, if you want to build a level with this in it then you can download the folders only version of this model.
Tie interceptor, i am going to rework this model, so expect an update soon.
robot maintenence bot, usually hangs in the upper section of the hangar, its used to pick up hazardous cargo and is fitted with a repulsor lift which forms a field of energy around an object and enabled it to be "carried" or "towed" about the hangars, or they are moved to the central replulsor shafts which can span the battle station and reach almost every hangar.
Door frames , there are 3 different types for frame here, firstly we have the narrow door frame which is made for doors 64 units wide, next the medium door which is made for doors 128 units wide last we have the blast doors which are 256 units wide.