e.g. my quick google search for paola's request gave me this long list:
http://www.listenlive.eu/uk.html
Apparently there is still one error hidden in the mplayer file which doesn't allow to play all streams (the error message clearly indicates that it is likely related to the fact that mplayer was compiled on my computer and then transferred to the ebook).
I'm working on that one as this is clearly not acceptable for my standards.