How to use VLC instead of Totem in Iceweasel, in Lenny?

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http://www.linuxquestions.org – Hey all. I tried to remove the totem-mozilla package in Lenny, because I know totem dosn't work regarding online video... It will remove gnome as well?! I have installed VLC and the package mozilla-plugin-vlc. Now my question is: How to make VLC the default player in Iceweasel instead of Totem? So the likes of youtube etc. will work? Best regards Stardustdk BTW: Will the same problem occur in squeeze? (HowTos)