documentation
It'be nice to have these links in non-official documentation at icecast.org
very good guide on how to use and admin icecast2, in portuguese: http://docs.indymedia.org/view/Sysadmin/IceCastPtBr
guide on how to make video streaming to an icecast2 server, in portuguese: http://docs.indymedia.org/view/Sysadmin/WebTV