Hi man,yes I notice that,already is done

About for commands,downloading two file on your pc,transfer them with usb cable to your n900,open x-terminal and input:
sudo gainroot
cd MyDocs
dpkg -i mediaplayer_1.3-4+0m5_armel.deb mafw-gst-renderer_0.3.2010.24-1+0m5_armel.deb
apt-get -f install
Before install packages turn on wifi and activate yours all repositores