Originally Posted by Leeham:
“iPlayer content is time protected, so you could download it on the computer and it should sync the video to the iPod...but when the time perioud is over it probably won't work.”
I'm afraid not. The time expiring downloads are in a DRM-format which is incompatible with any Apple equipment.
Kargo's option is the only one, and the legality of it is a little questionable (though I wouldn't lose sleep over it!). There was various ways documented of downloading the iPod versions of iPlayer videos on a computer, then transferring to the iPod, but the BBC seem to be pretty quick at closing loopholes - there might be something out there though with some Googling.