Took a while to go through and remove all the extranious files, like buttons in unit folders, and shortcuts to the internet and nifscope, etc. That's done, in testing though I've found quite a few units don't match their animation, the kfm is wrong so the civilopedia comes up blank. It'll take me a bit to fix these, as I need to check each civ individually. Mainly though I've ran into some units that have their own kfm and still don't work. I had to rip out the Austrian Dreadnought for this reason, and am experiencing the same issue with the American fighter. I'm going to try renaming the main nif from p38 to mosquito so it matches the kfm name, if that doesn't work though, I may need to remove a few more ethnic units. Also there is a jpeg file which should probably be converted to a dds, it's in the American Spearman folder. It'll likely take me a few hours to go through all the units and make sure the kfms work, and change those that need it.
Edit, yeah, renaiming it to mosquito worked.