Built the Cool Music widget shown below with Sprout.
Sprout is the quick and easy way for anyone to build, publish, and manage widgets, mini-sites, mashups, banners and more. Any size, any number of pages. Include video, audio, images and newsfeeds and choose from dozens of pre-built components and web services.
Very easy to customize. Looks great (admittedly mine isn't all that). Works well with playlists,feeds, etc... Please note the widget above is a quick job and shows Cool Music episode #24 as an example. I can't figure out how to configure it to show a new show each week yet. :)