Rob,

> 
> I haven't tried shrinking an image with wxSqueak filed in, so I'm
> not sure what the problem is here. I took a quick look at a minimal
> 2.2 image and found a few missing classes (WordArray, DateAndTime), 
> but I suspect it could be made to work. 
>

    It's worth a try, because this is the defacto standard
    minimal image.

> Is a minimal image for 3.7 available somewhere? 

    It's on the Guides' agenda to produce a minimal image .
   
>
> I think it would be easier to build up from a
> minimal image than to shrink a full one.
> 

    I agree. 
    
    An official minimal image would also give us
    a common code base to evolve.

    Cheers,

    PhiHo.