2 ubuntu-wallpapers-karmic
3 ubuntu-wallpapers-lucid
4 ubuntu-wallpapers-maverick
5 ubuntu-wallpapers-natty
6 ubuntu-wallpapers-oneiric
7 ubuntu-wallpapers-precise
8 ubuntu-wallpapers-quantal
9 ubuntu-wallpapers-raring
10 ubuntu-wallpapers-saucy
11 ubuntu-wallpapers-trusty
12 ubuntu-wallpapers-utopic
13 ubuntu-wallpapers-vivid
14 ubuntu-wallpapers-wily
15 ubuntu-wallpapers-xenial