This script will copy the lyrics of the selected iPod tracks (if the selected iPod tracks contain any lyrics, that is) as Notes to that iPod's "Notes" folder.
Lyrics Notes will be organized in Artist/Album folders in a "Lyrics" folder created in the iPod "Notes" folder. Additionally, a link at the beginning of each Lyrics Note will allow you to play that particular track from the iPod. (The idea for this script was originally suggested by Adam Wiseman at Mac OS X Hints, who created a similar script.)
(Note: In order to launch this PowerPC-era script on an Intel machine, it must first be opened and then saved using AppleScript Editor, which is located in your /Applications/Utilities/ folder. More information is here.)