I have just set this up on my blog and it works fine, it's pretty slow though and a bit clumsy compared to the nicer iTunes plugins you can get running easily on the PC. I'm on Mac, and ironically there doesn't seem to be a good iTunesBlogger alternative so I'm stuck with this for now.
I'd still like to have cover art displayed, and to have links to the iTunes store or amazon rather than Audioscrobbler. Apart from that, like I say, it slows down the page quite a lot and the text doesn't look too pretty.
has anyone got a more elegant solution for the Mac?