Apple today released iPhoto 7.1.1. This update supports compatibility with Mac OS X 10.5, improves overall stability, and addresses a number of other minor issues.
• Mac OS X 10.4.9 or later
• iPhoto 7.1
• iLife Support 8.1.1
iPhoto 7.1.1 is available via Software Update and also as a standalone installer.
More info and download link (9.3MB) here.