Slide show screensavers

Looking for a little help from the retrophisch readership (all 3 of you): I’d like to create a slide show-style screensaver, like those that come pre-installed with OS X, but I don’t want to use the .Mac Slides Publisher to do it. I know I can just point the Screen Effects pane to a folder of pics, but it tends to limit the number of pics to five. And I’d like to provide the screen saver as a download to other OS X users.
Of course, I’m looking to do this cheap and easy, so recommendation on products such as iScreensaver Designer, PhotoCircus, or any others would be appreciated.