I'd also love to know if someone has figured this out. I've tried myself, sadly I'm not clued up enough about SME to sort through the dependency hell:
root@osiris root]# rpm -Uvh icecast-2.2.0-1.i386.rpm
error: failed dependencies:
curl >= 7.10.0 is needed by icecast-2.2.0-1
libc.so.6(GLIBC_2.3) is needed by icecast-2.2.0-1
libogg >= 1.0 is needed by icecast-2.2.0-1
libogg.so.0 is needed by icecast-2.2.0-1
libpthread.so.0(GLIBC_2.3.2) is needed by icecast-2.2.0-1
libtheora is needed by icecast-2.2.0-1
libtheora.so.0 is needed by icecast-2.2.0-1
libvorbis >= 1.0 is needed by icecast-2.2.0-1
libvorbis.so.0 is needed by icecast-2.2.0-1
libxslt is needed by icecast-2.2.0-1
libxslt.so.1 is needed by icecast-2.2.0-1
Geoffrey