Four plus hidden one in the Haggadah Updated!

In honour of parshas Bo I have updated my post on the topic of "Four plus one hidden in the Haggadah" with a new 4+1

See updated post here:

http://rebmordechaiwrites.blogspot.com/2009/04/four-plus-hidden-one-in-haggadah.html

If you know of any other 4+1s in the Haggadah that I have not mentioned then please let me know.