Apple has released an update to iPhoto, the photo-management and editing app that comes on every Mac. iPhoto 9.2.3 is a minor update that weighs in at 354.55MB.
About iPhoto 9.2.3
-Improves overall stability
-Addresses an issue that could cause iPhoto to quit unexpectedly on systems with multiple user accounts
It can be downloaded from Apple's software downloads page, or via Software Update.