I'm not sure of any Star Wars gameplay mods, but here's some CAS CC I found:
This tumblr user creates a lot of CC of Star Wars aliens - https://garrettel.tumblr.com/
Luke Skywalker Return of the Jedi outfit - https://maxismatchccworld.tumblr.com/post/640637603821043712/luke-skywalker-rotj-set-dont-worry-mr
Padawan braid hair - https://clepysdra.tumblr.com/post/645696863417368576/padawan-braid-another-hair-from-attack-of-the
Padme hair - https://buzzardly28.tumblr.com/post/634958915023585280/padme-picnic-hair-and-accessories
This user's Star Wars tag has a ton of stuff in it from various creators (if you scroll down to the bottom, there's a purple next page button. Just pointing it out because I personally found it slightly hard to see at first lol) - https://soaplagoon.tumblr.com/tagged/s4star+wars/
