The widget works by gathering the radio programme information from the iPlayer website. Sometimes the BBC changes the layout of the iPlayer site slightly forcing me to tweak the widget to adapt to the new layout. Unfortunately this time it looks like the changes were much larger, at least internally, and I can't seem to find the URL for the Real Audio stream of each programme. In fact it doesn't look like they use Real Audio at all anymore - only Flash.
This spells the end for the widget I think, from now on you'll have to listen directly with iPlayer.
