Here the beginning of my log :

Process: iMovie [147]
Path: /Applications/iMovie.app/Contents/MacOS/iMovie
Identifier: com.apple.iMovie7
Version: 7.1.1 (529)
Build Info: iMovieApp-5290000~2
Code Type: X86 (Native)
Parent Process: launchd [108]

Date/Time: 2008-03-01 17:44:43.828 +0100
OS Version: Mac OS X 10.5.2 (9C31)
Report Version: 6

Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000012
Crashed Thread: 14