Official set of wallpapers for Elementary OS Luna has been chosen. The selection is pretty great and it features some really beautiful backgrounds for your desktop.
One of the advantages of Unity is the screen real estate optimization it can bring to desktop by combining global menu and window controls on top panel.
Ubuntu Builder is an application that allows you to completely build an Ubuntu based distribution. You can choose your own packages, shell, window manager and can do all sorts of customizations you would want in a distro.
Window list is an application indicator to display a list of all the current open windows. Each window can be activated by selecting the entry form the list.
Evolve GTK3 theme has been updated to work with latest Ubuntu 12.04 and Gnome 3.4. The theme has been created by Satya who has designed another beautiful GTK3 theme Orion.
Orion GTK3 theme by Satya is probably the best light theme having proper support for Unity. The theme has been updated recently bringing even better integration.
Half-left has designed yet another great theme for Gnome Shell. His latest theme is based on the look of Ubuntu 12.04 Precise Pangolin and it looks really beautiful.
ElementaryLi is a new GTK3 theme by sonnhy96. As the name suggests, it is based on Elementary OS theme and it has proper support for Ubuntu 12.04 and Unity.
Ubuntu Tweak is a powerful tool to customize Ubuntu and Unity desktop. A new version of Ubuntu Tweak has been released recently with many new features and fixes.
Ubuntu Builder allows you to create your own Ubuntu based distribution in clicks. You are free to choose your own desktop environment, window manager, packages etc, and customize Ubuntu the way you want.
Ubuntu 12.04 has been released today and you may want to customize it. Some of the options like changing icon themes, fonts etc. are not available anymore by default. However, they can be changed using some handy configuration apps.