These are very useful and a good addition to the game!
My only complaint that if you already use custom textures, why not make a 2D design, rather than creating a flat image from numerous polygons? In my opinion, such an approach is much closer to the visuals of the game and is also significantly less demanding when used as a
buff on a large mass of troops, because each overhead will contain 2 faces max. Of course, if this is personal for your map, then so be it