Apple has released a number of updates for the iLife '08 suite this afternoon, available in your Mac OS X software update.
iLife Support 8.1
This update supports system software components shared by all iLife 08 applications, improves overall stability, addresses a number of other minor issues, and supports general compatibility issues. It is recommended for all users of iLife 08.
iDVD 7.0.1
This update improves overall stability, supports general compatibility issues, and addresses a number of other minor issues.
iMovie 7.1
This update addresses several areas including video and audio editing capabilities, and performance associated with opening and switching iMovie Events and Projects. This update also supports general compatibility issues, improves overall stability, and addresses a number of other minor issues. More details
GarageBand 4.1
This update addresses isolated graphic display issues, compatibility with 3rd party audio software, fixes minor problems with Magic GarageBand, and supports general compatibility issues.
iPhoto 7.1
This update addresses issues encountered when moving photos between Events, plus new greeting card themes, including holiday card designs. It also supports general compatibility issues, improves overall stability, and addresses a number of other minor issues.