lubuntu@lubuntu:~/Downloads$ sudo dpkg -i skype-ubuntu-lucid_4.3.0.37-1_i386.deb 
Selecting previously unselected package skype.
(Reading database ... 119799 files and directories currently installed.)
Preparing to unpack skype-ubuntu-lucid_4.3.0.37-1_i386.deb ...
Unpacking skype (4.3.0.37-1) ...
dpkg: dependency problems prevent configuration of skype:
 skype depends on libqt4-dbus (>= 4:4.5.3); however:
  Package libqt4-dbus is not installed.
 skype depends on libqt4-network (>= 4:4.5.3); however:
  Package libqt4-network is not installed.
 skype depends on libqt4-webkit (>= 4:4.6.1); however:
  Package libqt4-webkit is not installed.
 skype depends on libqt4-xml (>= 4:4.5.3); however:
  Package libqt4-xml is not installed.
 skype depends on libqtcore4 (>= 4:4.6.1); however:
  Package libqtcore4 is not installed.
 skype depends on libqtgui4 (>= 4:4.6.1); however:
  Package libqtgui4 is not installed.

dpkg: error processing package skype (--install):
 dependency problems - leaving unconfigured
Processing triggers for desktop-file-utils (0.22-1ubuntu3) ...
Processing triggers for mime-support (3.58ubuntu1) ...
Processing triggers for hicolor-icon-theme (0.14-0ubuntu1) ...
Processing triggers for dbus (1.8.12-1ubuntu5) ...
Errors were encountered while processing:
 skype
lubuntu@lubuntu:~/Downloads$