Good day to you too, well there are quite a few mod developers nowadays and even more so skin changer developers, so you could google this point for yourself, I'm sure you would probably find something for yourself. Of course, if you've already tried it but nothing interesting has come up, I can recommend trying Fortnite skinchange by the guys at GalaxySwapper. You can read more about the product on their website and then decide whether to use it. I hope I was able to help in this matter. Good luck with the download!