Talking about "normal" cutscenes, I assume you don't mean the ones that use the game engine and models?
In that case, you need to compile images into a ROQ file... which isn't the easiest thing to do.
Look around on the JO Mapping forums, I know there was talk about making the scrolling text for custom maps and such.
I don't like quake, never liked quake, and don't like Star Wars quake. So basically jk2mp.exe never gets used on my computer.
Shaving is not a high priority with Jedi. Would you want to shave with a lightsaber?