please help add lightsaber (soldier) :maulsaber:

I'm sorry but that's a little vague. You might want to check out the following for starters:

http://www.gametoast.com/forums/viewtop ... 27&t=12729
http://www.gamefront.com/files/Jedi+cre ... einfo.html
http://www.gametoast.com/forums/viewtop ... 11#p230811

But all in all, it's a good idea to check out the entire faq to get a good grasp on modding.
http://www.gametoast.com/forums/viewtop ... 27&t=13806
It might help to know if you've tried anything or how much progress you've made trying to give a lightsaber to a soldier. That way we can give you advice based on how much you know about modding. I hope I helped, good luck!