I'm a big fan of Showit. Their websites are super easy to build (hey, even I could do it!) and they look spectacular. They even offer a mini version you can try out for free.
But what I first found at Showit was their online slideshow program. I had seen Jasmine Star's slideshows and couldn't help but love them. I finally decided that, like great shoes and a fab bag, Showit slideshows were a necessity. If you're a photographer and considering purchasing Showit Slideshows you should check out Jasmine's site for a discount code (enter Showit in the search engine on her blog and you'll be able to find it). Might as well save yourself some money while you're at it. :-)
Some of these have been posted before, but just in case you've missed them and don't feel like searching, here are a few of my Showit slideshows...
Some family sessions: One - Two - Three
Alexis - Baby Bump
Shelly & Randy
Sarah & Jerry
There are more to come, but these are to be retired soon and are worthy of a final look.