Ned -

>The only thing I've done is (just now) a bit of optimization in the
>constraint block. I got it to position the tiles either 0 or 1 pixel apart,
>instead of 1 or 2. This wasn't much of an improvement, but if you're
>interested, I'll send it to you.

Actually, now that I see where to tweak, I'll play with it a bit on my own.  I may come back to you for it, though.

>I'd enjoy seeing the results!

For sure.  The refrigerator poetry is a beautiful hack.  It would be great to finish refrigerators with just a few more methods.

	- Dan
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