It seems I might be the only person to have considered ui edits. I didn't like the crate icon so much, and I thought the pre-release formation icon for the flags was more interesting looking than the final version. So I changed both of them to suit my liking.
Download here
I also modified the Defcon powerup with a nuke icon and submarines from the Strategic Technical Center mod of Defcon... but I won't go through the motions of putting that up unless anyone wants them.