admin.bmp, I have no clue what it's for.
wtf and wtf2 exist in the full op2 version, wtf2 i use for the GP turret base in the mapper unit placer (since no 'blank' GP actually exists)
wtf.bmp might be some precursor to the magma well or something.
wah.bmp - what's so odd about it? it's a damaged plymouth trade center.
bomb.bmp - I don't see anything odd about that either. Eden Starflare GP.
turet.bmp is in some of those alpha pics you have, it's a precursor to the GP I think. A damaged version of it exists in the full game op2_art.
uofp.bmp is also in the full game art, I think it's part of the ambient animation of the univ (it might get displayed after the training completes? or maybe while it's happening?)
We might not notice it because no1 just sits and stares at a univ.