http://www.codesandciphers.org.uk/lorenz/fish.htm
In this web site I see a way to change the cipher.
It's kind of a list to change the sentence to a different means.
There are some pictures of the the cipher system.

This us the list of the cipher.
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I go to Brain's blog to get this web site,too.
http://en.wikipedia.org/wiki/Enigma_machine
In this web site I knew the first cipher system is made from Germany.
It's named Arthur Scherbius.
The most useful edition is the military one.
They use to WW2.
I go to this web site just see the essay and the pictures.

This is the cipher system.
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http://www.youtube.com/watch?v=2458QZmNxRY
I an trying hard to put in .
But I stull can't.
This video has some photo of the Code Breakers.
And the place they work.