Quake 3 map models are not animated via the md3, or via .cfg files. Animation.cfg are only used for player models. The armour bobbing up and down, weapons spinning etc. is all hard-coded into the engine, you will have to change the source code if you want other map models to spin. The only way you can get custom map models…
A few things, 1) Milkshape is a HORRIBLE program to unwrap anything in. I would suggest using a copy of G-Max or finding a copy of a program that went by the name of lith-unwrap. It was free back in the day but I think it changed names and they charge to use it. G-Max comes with tutorials on how to use the unwrap tools. In…