It's not exactly freezing, the game remains in "frozen time" and blocks the passage of time. I've tried reverting to the old earth.jpg image and the game ran just fine... BTW, I tried editing a little the earth.jpg and I got the same result.
Ah, I forgot, I am not a native english speaker. I thought that writing "Not true" was more polite than writing "You are wrong" or something similar. Please, forgive me if I was unpolite.