Stack Overflow is a lot nicer as a source for good technical advice, but Experts Exchange still has quite some answers too; might come in handy for a second opinion/solution on which you can base your own. expert-sexchange is much less annoying with this bit of CSS added to …

Ubuntu's GDM still does not have a settings window where you can change looks to your liking. However, there are some tricks to still be able to do just that. First, open a terminal and type the following command: sudo cp /usr/share/applications/gnome-appearance-properties.desktop /usr/share/gdm/autostart …