Download all *.ipk available here:
http://pm2036.francofon.fr/index.php?path=fonera2.0/audio/



cd /tmp
tar xzvf madplay_0.15.2b-1_mips.ipk
tar xzvf data.tar.gz -C /
tar xzvf libmad_0.15.1b-1_mips.ipk
tar xzvf data.tar.gz -C /
tar xzvf libid3tag_0.15.1b-1_mips.ipk
tar xzvf data.tar.gz -C /
tar xzvf zlib_1.2.3-5_mips.ipk
tar xzvf data.tar.gz -C /


wget -O - http://firewall.frequence3.net:80/ | madplay -