ac_inca

[Matasar]

Well, I think that it wouldn't be against legality as long as he read the licenses and abided by them. I believe makkE's license files basically say that you have to credit him (or ask him?). Feel free to ask the makers though, many of them I think are active in this community.

I think you can do most anything as long as you give credz and say who the original creator is.
But instead modding current textures you could add your own.
Lots of free textures out there that can be made to fit and look nice and new.