There are two ways to fit into a small metal bikini. Diet and exercise is one:

This isn't exactly news, you know. But this is: io9 says a new book reveals some interesting secrets about the movie. Yoda was originally intended to be played by a monkey:

More geekiness, including the identity of the actor who played the Emperor, here. Or was it an actress?

By the way, Fisher also said:

Well, some. Not all.