How do you get your iPod to work with your PS3?

[--OkeyDokey--]

I had to put 500MB of crap onto my HDD the other day in order to play Ratchet and Clank (some sort of glitch I dunno), and I never had any problems.

I just stuck the charger in the USB port and started copying files. No trouble playing them either.
Although most of my songs weren't downloaded on iTunes...