General tweaks (for both GNOME Shell and Unity)
Change themes, fonts and more with GNOME Tweak Tool
> Install and switch gnome-shell themes
> Switch gtk/icon/cursor themes
> Switch window manager themes
- The user-interface and titlebar fonts
- Icons in menus and buttons
- Behavior on laptop lid close
- Shell font size
- File manager desktop icons
- Titlebar click action
- Shell clock to show date
- Font hinting and antialiasing
In Ubuntu 11.10 Oneiric Ocelot there is no built in themes and icon changer in Oneiric, So easily you can use Gnome Tweak Tools for changing themes and icons in Ubuntu 11.10 Oneiric.
To install in Ubuntu open Terminal and copy the following command in the Terminal:
When installation complete, GNOME Tweak Tool should show up as "Advanced Settings" in the menu. Besides changing fonts or themes, GNOME Tweak Tool can also be used to disable/enable GNOME Shell extensions, tweak the desktop, various windows behavior or GNOME Shell.