I saw a couple of postings saying that people were interested in replicating the Audioscrobbler on their site, and I didn't realise that there would be any interest in this addon, but I've written the addon to do exactly what you're after...I hope...
I use it on my page and I've got Audioscrobbler installed with an active account, and my photoblog about page reads the RSS feed from Audioscrobbler.
The plugin I've written just produces a list of the songs on one line and you style it as you want.
To make it work, you will have to make a manual change to the addon PHP to point it to your Audioscrobbler feed:
Change line 37 of addons/songs.php to the URL of your Audioscrobbler feed (you can get this from your account).
You should also create a directory called: rss_cache in your pixel_post directory.
You can download the addon from: http://photoblog.sharpfocusfilms.com/songs.zip
Unzip the file in your pixel_post directory, then add the to the page you want the songs to appear in.
There's a few subtleties to the script but I've tried to build in automatic defence against their servers going down and hanging the page you plug the addon in to.
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