>>402506640
Heads up: Bones and stuff are case sensitive. If you merge the armatures and they aren't namede the same EXACTLY, you'll have double bones. You'll need to fix that by renaming/F2ing everey bone in the models to match the one you're merging to. You can do it!

>>402500747
In other news, I'm still looking for someone to explain, in steps, how to do what I want here. I think the best idea for me would be imagemagick but I still flounder there. Got kinda close... Too bad this isnt' a skill I necessarily need all the time or I'd remember it easier.