I just added a slideshow to my main page and I'd love to be able to have links on the images so you could click them to take you to the page the image references. I've seen it done many times before so it'd be a great addition to an excellent gallery software.
Also I'd love to see handheld support as in iDevices. It's the old Flash issue. It plays fine in lightbox mode but the skin is broken on iDevices so it looses that slick look the desktop version has.