iPhoto Slideshow Themes Music and Transitions
http://davidnorton.org/ilife/iphoto/
At the above link you will find an Apple tutorial video directory. It is composed of videos produced by Apple and applicable YouTube videos. They all pertain to Apple applications of iMacs and MacBooks. This was set up to easily find Apple video tutorials in categories.
iPhoto slideshow themes classic, shatter, Ken Burns, scrapbook, sliding panels and snapshots. With a limited amount of iPhoto transitions, music and sound iPhoto effects