Description: Some iPhoto users are having troubles with the program crashing when attempting to view slide shows as described in this Apple knowledge base article (http://support.apple.com/kb/HT2638).
Gregory Davis--
"iPhoto 09 works fine until I click the slide show button. As soon as I do this, crash and burn baby. It brings up the first picture from the event I've chosen and shows the title but then crashes before anything else happens. I've tried running OnyX and repairing all disk permissions, as well as running all the cleanup scripts. Nothing seems to fix the crashing."
This problem seems to be related to display resolution problems and specific monitor setups. In the past, people have had troubles with the built-in photos screensaver when running dual monitors after updating the iLife media browser. This problem could be related since many of those affected have dual-monitor setups. Video driver conflicts with the iLife media browser could be the culp