Ubuntu – How to change window theme in 11.10

11.10themesunity

I don't know how I did it, but now I'm stuck with this same window theme!
Whichever theme I change to, the window theme will stick and only the background colour of the window title will change.

Here I changed from Ambience Blue Theme to Zukini Theme but only the background colour of the windows title change from blue to greenish, the rest is still the same.

EDIT:
Sorry I wasn't clear enough, I'm using Unity not Gnome3.

UPDATE: I tried to change with gconf-editor but it has failed to change the windows theme.

1.Window Theme selected in gconf-editor

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2.Window Theme shown in gnome-tweak-tool

enter image description here

Best Answer

Assuming u have user-theme extension installed.

  1. U need to switch ON user-theme extension itself

enter image description here

  1. Once u switch it ON then logoff and login or Alt+F2 r.

  2. U should be able to see following menu: enter image description here

If you don't have user-theme extension installed itself then I advise you to follow: https://extensions.gnome.org/ or I had used http://www.webupd8.org/2011/10/official-gnome-shell-extensions.html

Here are few themes: http://www.webupd8.org/2011/12/satyas-gnome-shell-gtk-themes-ppa.html

http://www.webupd8.org/2011/10/4-beautiful-gnome-32-compatible-gtk.html