Yeah, I was in a hurry to find it while I was thanking you for the info.
The main directory has a lot of unused icons for improvements. With GIMP or Photoshop, one can tweak these into something useful. I've jazzed up the old labs so they can be used to replace the redundancy of the Dark Energy Lab and Interstellar Refinery. I hope I've saved them in the correct format for the game to decode.
Making new tech trees would have been almost impossible without having the Read Quality Posters.
I'm almost done transforming the Arceans from bankers into warriors. I'm taking notes from other people's mods to correct the Iconians and the Yor. While the Thalian's time travel story is interesting, they're the only race depicted by an insect, so they need a complete make-over. I need to make the Drengion and the Korath a bit more dangerous. Perhaps I'll dump the unused Arcean techs on the Korx. They seem to have banking in their blood.