ubuntu@ubuntu:~$ sudo dpkg -i ubuntu-tweak_0.6.1-1~oneiric1_all.deb 
Selecting previously unselected package ubuntu-tweak.
(Reading database ... 133282 files and directories currently installed.)
Unpacking ubuntu-tweak (from ubuntu-tweak_0.6.1-1~oneiric1_all.deb) ...
dpkg: dependency problems prevent configuration of ubuntu-tweak:
 ubuntu-tweak depends on python-compizconfig; however:
  Package python-compizconfig is not installed.
 ubuntu-tweak depends on gir1.2-unique-3.0; however:
  Package gir1.2-unique-3.0 is not installed.
 ubuntu-tweak depends on python-central (>= 0.6.11); however:
  Package python-central is not installed.
dpkg: error processing ubuntu-tweak (--install):
 dependency problems - leaving unconfigured
Processing triggers for gconf2 ...
Processing triggers for libglib2.0-0 ...
Processing triggers for desktop-file-utils ...
Processing triggers for bamfdaemon ...
Rebuilding /usr/share/applications/bamf.index...
Processing triggers for gnome-menus ...
Processing triggers for hicolor-icon-theme ...
Errors were encountered while processing:
 ubuntu-tweak