Slideshow for album :: LR skimmer
[Compatible but limited]
Who Dah?'s Gallery
Who Dah?'s PetZ
If you don't have the Java Plugin 1.4 or later, or you don't want to wait for the applet to download, you can use one of the non-fullscreen versions.
Your browser doesn't support applets; you should use one of the other slideshow methods.