Instalando Codecs:
[root] [~]$ tar -xvjf all-20061022.tar.bz2
[root] [~]$ mkdir /usr/local/lib/codecs/
[root] [~]$ mv all-20061022/* /usr/local/lib/codecs/

Instalando mplayer:
[root][~/mplayer]$ ./configure --codecsdir=/usr/local/lib/codecs
--prefix=/usr --enable-gui --enable-largefiles
[root] [~/mplayer]$ make
[root] [~/mplayer]$ make install

Instalar el GUI de mplayer (los skins que bajamos)

[root] [~]$ tar -xvjf Blue-1.7.tar.bz2
[root] [~]$ tar -xvjf KDE-0.3.tar.bz2
[root] [~]$ mkdir /usr/share/mplayer/skins/default/
[root] [~]$ mv Blue/* /usr/share/mplayer/skins/default/
[root] [~]$ mv KDE/* /usr/share/mplayer/skins/