Thank you, Tony!
I just added photos to my site (it'll be the third album): http://f2.pg.photos.yahoo.com/mizmo_naomi
Please excuse the soot that you see settled on the plants. I spent a good part of the afternoon removing algae and moving some of my plants around. The soot eventually gets cleared away by the snails. Of course, then they leave behind their little "poop dashes" in their place