Ubuntu : To show Computer icon, home and network on Desktop

To show Computer icon, home and network like My Computer, My Documents, recyclebin on desktop.
First :
press ALT+F2 key
and type gconf-editor then click Run.

you can also can open via terminal by typing :

~$ gconf-editor

and than, select APPS - NAUTILUS - DESKTOP
and select checkbox you want to show to desktop
see picture below.

and closed your gconf-editor.