I had the notion to try to install FrontRow with Andrew Escobar's hack on my B&W G4 (after I got the G4 into it it) and it runs pretty well. In fact, very fast. following the instruction of:
1. Download Front Row from Apple
Download Front Row 1.3 from Apple’s website.
When the download completes, open the disk image (FrontRowUpdate1.3.dmg) and copy the file “FrontRowUpdate1.3.pkg