Slideroll... Online slideshows
Slideroll is online slideshow software that allows people to create smooth, video-like slide shows and publish them on the web. Slideroll is unique because it has all of the power of a desktop application, plus all of the connectivity benefits of being online. Slideroll even allows you to easily put Flash movies on your site without having to learn Flash.
It's just great, I used it three times till now, it doesn't slow down the blog!!
You can join it for free too..
Here's an example.
It took me about 10 minutes to make.. Including the time for uploading the photos!