[plt-scheme] MrEd GUI Tutorial?

I have been playing with the MrEd GUI library and I really like it (it just seems to flow for me). I have been programming a frame and some menu-items using callback code, etc.following along with the MrEd manual. I was wondering however, if there is some sample source code that demonstrates calling dialogs from menu items, loading combo boxes, etc. that is documented in the manner of a tutorial or if there is an actual tutorial somewhere which teaches a full range of the MrEd GUI calls?

Any pointers are greatly appreciated. 


Shawn Legrand 
Carpe Noctem! Carpe Diem! Hieros Gamos!
splegrand at yahoo.com
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