Well, Kris Gybels did a "FancyTranscriptMorph" goodie a while back:
http://prog.vub.ac.be/~kgybels/squeak/

> -----Original Message-----
> From: Alexandre Bergel [mailto:bergel at iam.unibe.ch]
> Sent: Monday, April 07, 2003 10:32 AM
> To: squeak-dev at lists.squeakfoundation.org
> Subject: Translucent Workspace
> 
> 
> Hello,
> 
> I've seen once a screenshot showing some translucent windows 
> (e.g., Transcript, Workspace), how could I have the same in my image?
> 
> Cheers,
> Alexandre
> 
> -- 
> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
> Alexandre Bergel  http://www.iam.unibe.ch/~bergel
> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
> 
>