Grub2, the new boot menu installed by default with Ubuntu 9.10, can still look pretty old-school ugly if your tastes don't run with white terminal text on black. You can, however, customize its ...
Install GNOME Tweaks and Extension Manager. Set up .themes and .icons folders to store custom themes and icons for GNOME Tweaks. Download themes from GNOME-LOOK.ORG, apply them using GNOME Tweaks, or ...