Hello,
I've been lurking for a while but wanted to register to say thanks for looking into these small but I'd say very significant improvements.
If with a few subtle changes you can manage to improve the look of all the characters (including monster) and guns that would be a great achievement, although a very hard one.
Throughout the years I've been modding Doom 3 in such a way as to keep it as faithful as possible to its original design while improving it without breaking immersion. What you're doing fits right into that, so thank you.
The issue I found with Doom 3 modding is that despite the quality of the mods and the dedication of the people working on them they pretty much all lead to breaking immersion in one way or the other.
If they're texture mods, they don't cover all the textures and this leads to ugly situations of having high and low res textures right next to each other.
If they're graphics mods, they either don't make much of a difference or still have bugs.
If they're gameplay mods, they're either not well balanced or take the game in a different direction to what was intended.
Basically lots of good quality work, but either unfinished or bundled with lesser quality work.
I'm frustrated that after 12 years of Doom 3, the BFG Edition ended up being worse and we couldn't join forces to create one mod that would totally overhaul the game while keeping the original spirit.
I do hope we may achieve this one day and I hope it will be sooner than later. Doom 4 could only revive interest in Doom 3 for so long I fear ...