Here is a good xml file to be used in WebTV on Amiko Alien1/Alien2. It has a lot of good quality channels. Majority of those are working.
http://www.4shared.com/rar/hVp2sPkJ/WebTV_XML_File.html
http://www.4shared.com/rar/hVp2sPkJ/WebTV_XML_File.html