magnum@magnum-desktop:~$ sudo apt-get install vlc vlc-plugin-esd mozilla-plugin-vlc
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
mozilla-plugin-vlc: Depends: vlc-nox (= 0.8.6.release.c-0ubuntu5) but it is not going to be installed
vlc: Depends: vlc-nox (= 0.8.6.release.c-0ubuntu5) but it is not going to be installed
Depends: libsdl-image1.2 (>= 1.2.5) but it is not installable
Depends: ttf-dejavu but it is not installable
vlc-plugin-esd: Depends: vlc-nox but it is not going to be installed
E: Broken packages
magnum@magnum-desktop:~$

i get this message when i try to install vlc from the terminal and something similar when i use the synaptic packet manager,
I'm lost. Did I somehow damage my ubuntu 7.10?