Many nudists are...by our standards of beauty...but they prefer to be called naturists, as they are just doing what cums natural....going natural, with no pretenses about artificial beauty...only the natural kind...
However, back to the original point.....(many) nudists ARE ugly....an' these two are examples of that fact.

Nudists are ugly.

Both of them have very big jugs . . . and their tit's aren't too bad either.