I may be the last person to know about this (probably, since it’s connected to MySpace), but you can make a slideshow at slides.com. I made one from my flickr photos of when we first got the house and it was empty.
Hmmm. I was all excited, but the slideshow is really teeny for some reason in Safari (it looks OK in Firefox). I don’t know the mysterious ways of flash. ;) There’s always the bighugelabs version: