>   Actually...  Which image should I start with?  I must have missed
> something so I can't tell for sure which is the base for the work.


Use a 3.9alpha. you can create from a 3.8 final.
Just evaluate:
SystemVersion setVersion 

and enter Squeak3.9alpha

And perform an update

Sorry to take so long before answering :-(

Cheers,
Alexandre

-- 
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Alexandre Bergel  http://www.iam.unibe.ch/~bergel  
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