get iTunes 9.2.1 from [
here|http://support.apple.com/kb/DL1056].
however, you'd need to update to OS X 10.4.11 in order for it to run.
download and run the [_*Mac OS X 10.4.11 Combo Update*
|http://support.apple.com/downloads/Mac_OS_X_10_4_11_Combo_Update__Intel]. repair permissions before and after running the updater.
when done, run software update from the menu and install any updates offered, then install iTunes 9.2.1.
J
GG