Gnome Shell themes
Tron Legacy Gnome Shell theme.
http://www.linuxnov.com/tron-legacy-theme-for-gnome-shell/. This is a Gnome Shell theme inspired by the Tron Legacy movie.
MetalX Gnome Shell theme for Linux.
Android Flat Gnome Shell theme. A nice flat grey theme for your Gnome desktop.
An Ubuntu inspired theme for any Gnome Shell desktop. Make your Gnome Shell desktop look like Ubuntu Unity.
Elegance-Elemantary-Faience-Axiom Gnome Shell 3.6.
Gorgeous Gnome Shell theme.
Chernobyl Ferris wheel wallpaper.
Chernobyl town wallpaper.
Chernobyl reactor photograph.
Old disused bumper car photograph.
Post-Apocalyptic Fallout wallpaper.
Flooded Golden Gate Bridge.
Flooded London wallpaper.
Some kind of industrial machine belching black smoke.
Faience icon theme set.
Papirus Icon Theme
The Papirus icon theme, which is derived from Sam Hewitt’s Paper theme, already supports hundreds of well known apps, including all the usual faves like Firefox, Thunderbird, Corebird, GIMP and Geary.