I apologize for not seeing your post sooner. After much persistence, I have located at least one of your requests. I am still trying to find Executor 2 with very little success. I thought I had found it at jediknight.ru, but their link is broken. Oh, well. I'll try to keep looking for it. However, here is Hoth: Imperial Base Version 3.0:
UPDATE: Shazam! I found Executor 2! Here you go!