desktop 3d sun glass

Ola a todos bom dia tenho tentado instalar o lg3d-core desktop 3d sun glass ja adicionei os repo na minha sources.list + quando execulto comando aptitude update me retorna seguinte mensagem Ign cdrom://[Debian GNU/Linux 5.0.0 _Lenny_ - Official amd64 DVD Binary-1 20090214-19:45] lenny Release.gpg
Ign cdrom://[Debian GNU/Linux 5.0.0 _Lenny_ - Official amd64 DVD Binary-1 20090214-19:45] lenny/contrib Translation-pt_BR
Ign cdrom://[Debian GNU/Linux 5.0.0 _Lenny_ - Official amd64 DVD Binary-1 20090214-19:45] lenny/main Translation-pt_BR
Ign cdrom://[Debian GNU/Linux 5.0.0 _Lenny_ - Official amd64 DVD Binary-1 20090214-19:45] lenny Release
Ign cdrom://[Debian GNU/Linux 5.0.0 _Lenny_ - Official amd64 DVD Binary-1 20090214-19:45] lenny/contrib Packages/DiffIndex
Ign cdrom://[Debian GNU/Linux 5.0.0 _Lenny_ - Official amd64 DVD Binary-1 20090214-19:45] lenny/main Packages/DiffIndex
Atingido http://ftp.br.debian.org sid Release.gpg
Atingido http://ftp.br.debian.org sid/main Translation-pt_BR
Ign http://ftp.br.debian.org sid/non-free Translation-pt_BR
Ign http://ftp.br.debian.org sid/contrib Translation-pt_BR
Atingido http://ftp.br.debian.org experimental Release.gpg
Ign http://ftp.br.debian.org experimental/main Translation-pt_BR
Ign http://ftp.br.debian.org experimental/non-free Translation-pt_BR
Ign http://ftp.br.debian.org experimental/contrib Translation-pt_BR
Atingido http://ftp.br.debian.org sid Release
Obter:1 http://ppa.launchpad.net intrepid Release.gpg [307B]
Ign http://ppa.launchpad.net intrepid/main Translation-pt_BR
Atingido http://ftp.br.debian.org experimental Release
Ign http://javadesktop.org stable Release.gpg
Ign http://javadesktop.org stable/contrib Translation-pt_BR
Atingido http://ftp.br.debian.org sid/main Packages/DiffIndex
Atingido http://ppa.launchpad.net intrepid Release
Ign http://javadesktop.org unstable Release.gpg
Ign http://javadesktop.org unstable/contrib Translation-pt_BR
Err http://ppa.launchpad.net intrepid Release

Atingido http://ftp.br.debian.org sid/non-free Packages/DiffIndex
Atingido http://ftp.br.debian.org sid/contrib Packages/DiffIndex
Atingido http://ftp.br.debian.org sid/main Sources/DiffIndex
Atingido http://ftp.br.debian.org sid/non-free Sources/DiffIndex
Atingido http://ftp.br.debian.org sid/contrib Sources/DiffIndex
Atingido http://ftp.br.debian.org experimental/main Packages/DiffIndex
Atingido http://ftp.br.debian.org experimental/non-free Packages/DiffIndex
Atingido http://ftp.br.debian.org experimental/contrib Packages/DiffIndex
Atingido http://ftp.br.debian.org experimental/main Sources/DiffIndex
Atingido http://ftp.br.debian.org experimental/non-free Sources/DiffIndex
Atingido http://ftp.br.debian.org experimental/contrib Sources/DiffIndex
Obter:2 http://ppa.launchpad.net intrepid Release [46,7kB]
Ign http://javadesktop.org stable Release
Ign http://javadesktop.org unstable Release
Ign http://javadesktop.org stable/contrib Packages
Ign http://ppa.launchpad.net intrepid Release
Ign http://javadesktop.org unstable/contrib Packages
Ign http://javadesktop.org stable/contrib Packages
Ign http://ppa.launchpad.net intrepid/main Packages/DiffIndex
Ign http://javadesktop.org unstable/contrib Packages
Ign http://ppa.launchpad.net intrepid/main Packages
Err http://javadesktop.org stable/contrib Packages
404 Not Found
Atingido http://ppa.launchpad.net intrepid/main Packages
Err http://javadesktop.org unstable/contrib Packages
404 Not Found
Buscados 47,0kB em 3s (12,7kB/s)
Lendo listas de pacotes... Pronto
W: GPG error: http://ppa.launchpad.net intrepid Release: As assinaturas a seguir não puderam ser verificadas devido à chave pública não estar disponível: NO_PUBKEY 9423A34CCA967634
W: Você terá que executar apt-get update para corrigir estes problemas

E quando mando instalar retorna a seguinte mensagem

aptitude install lg3d-core
Lendo listas de pacotes... Pronto
Construindo árvore de dependências
Lendo informação de estado... Pronto
Lendo informações estendidas de estado
Inicializando estados de pacotes... Pronto
Lendo descrições de tarefas... Pronto
Não foi possível encontrar nenhum pacote cujo nome ou descrição combinasse com "lg3d-core"
Não foi possível encontrar nenhum pacote cujo nome ou descrição combinasse com "lg3d-core"
Nenhum pacote será instalado, atualizado ou removido.
0 pacotes atualizados, 0 novos instalados, 0 a serem removidos e 92 não atualizados.
É preciso obter 0B de arquivos. Depois do desempacotamento, 0B serão usados.
Lendo listas de pacotes... Pronto
Construindo árvore de dependências
Lendo informação de estado... Pronto
Lendo informações estendidas de estado
Inicializando estados de pacotes... Pronto
Lendo descrições de tarefas... Pronto

segue minha sources.list e meu preferences

sources

#
# deb cdrom:[Debian GNU/Linux 5.0.0 _Lenny_ - Official amd64 DVD Binary-1 20090214-19:45]/ lenny contrib main

deb cdrom:[Debian GNU/Linux 5.0.0 _Lenny_ - Official amd64 DVD Binary-1 20090214-19:45]/ lenny contrib main


##Estáveis
#Lenny
#deb http://ftp.br.debian.org/debian/ lenny main non-free contrib
#deb-src http://ftp.br.debian.org/debian/ lenny main non-free contrib
#Lenny updates
#deb http://security.debian.org/ lenny/updates main contrib non-free
#deb-src http://security.debian.org/ lenny/updates main contrib non-free
#Lenny Voláteis
#deb http://volatile.debian.org/debian-volatile lenny/volatile main contrib non-free
#deb-src http://volatile.debian.org/debian-volatile lenny/volatile main contrib non-free

##Teste
#Squeeze
#deb http://ftp.br.debian.org/debian/ squeeze main non-free contrib
#deb-src http://ftp.br.debian.org/debian/ squeeze main non-free contrib

##Instáveis
#Sid
deb http://ftp.br.debian.org/debian/ sid main non-free contrib
deb-src http://ftp.br.debian.org/debian/ sid main non-free contrib

##Experimentais
#Experimental
deb http://ftp.br.debian.org/debian/ experimental main non-free contrib
deb-src http://ftp.br.debian.org/debian/ experimental main non-free contrib

#Amarok 2

deb http://ppa.launchpad.net/kubuntu-members-kde4/ubuntu intrepid main

# Looking Glass Repository

#Desktop 3D stable

deb http://javadesktop.org/lg3d/debian stable contrib

#Desktop 3D Unstable

deb http://javadesktop.org/lg3d/debian unstable contrib

preferences

Package: *
Pin: release a=experimental
Pin-Priority: 501

Package: *
Pin: release a=unstable
Pin-Priority: 499

Package: *
Pin: release a=sid
Pin-Priority: 499

Package: *
Pin: release a=testing
Pin-Priority: 300

Package: *
Pin: release a=squeeze
Pin-Priority: 300

Package: *
Pin: release a=stable
Pin-Priority: 900

Package: *
Pin: release a=lenny
Pin-Priority: 900

se poderem me ajudar.OBRIGADO