First lets start off by saying that I'm not a giant theme and customization guy. I do tweak the GUI a little bit here and there but I leave most of it up to the theme creator.

François Vogelweith is the author of zgegblog, a site that maintains a collection of great GNOME themes. Balanzan (translated: Balance) is one of its most popular creations, a very comprehensive theme based on Ubuntu Jaunty Jackalope, which contains a wallpaper, logon theme, Emerald theme, controls and icons.

One of the first things I did when I moved from Vista to Ubuntu was install a nice looking theme. The default Ubuntu theme is pretty decent, but I dont like the brown and when browsing posts like this and this, I knew I wanted a sexier look for my laptop.

GNOME Shell is a component of GNOME 3.0, the next generation of the GNOME desktop environment scheduled for release in March 2011. We did introduced Sonar, Elementary and Ambiance GNOME Shell themes before and we have one more to showcase, Equinox GNOME Shell theme.

It looks like there's a new package in Ubuntu 9.04 Jaunty Jackalope named gnome-themes-ubuntu, which contains three of the most popular, community created GNOME themes: Dust, Dust Sand and New Wave. This new package will be present in Ubuntu 9.04. Here are some screenshots of these new themes:

When I first began using Linux back in 2001, the themes I saw were beautiful but they don't compare to some of the themes I'm seeing lately. I'd like to show you some themes which will, in my opinion, spark more interest in GNOME themes.

Gstyle is a new full Gnome theme manager with some really great features which I am sure you will love if you like to customize your Desktop look constantly. Gstyle can automatically download and install wallpapers, Xsplash, GTK themes, icon themes, full themes, mouse pointers and more from gnome-look, deviantart, customize.org and others, or directly from the software source.

Found a lot of themes while surfing websites for the best Dark Gnome Themes, those themes will required GTK 2.x , Emeraled, compiz for extra visualization. you can make your own customization using Emeraled or basically customize theme from Appearance Preferences.

To be honest, I never really liked Human, Ubuntu’s default theme, and seems that many other people don’t. Happilly, on GNU/Linux systems it is easy to customize everything, even the buttons aspect or the windows borders. Here’s a list of 30 Gnome themes of all styles, from the Windows XP look-a-like to the very original skin, to enhance your Ubuntu experience.