Thanks all! Flex show seemed to match what I'm looking for the best, although I really liked the look of Showcase Ultra. Just bought Flex Show and will see how well it does what I want.
Best,
Tom
UPDATE: Now it works. I don't know why, perhaps it's something with how quickly my server clears its cache files...? I'd tried loading the page before from a computer that had never accessed the page before, tried clearing the cache from my compu…