[ Thanks to kiterunner for this link.
]
“Install Screenlets First
“* In order to install wallpaper clock you will have to install
wallpaper clock widget first. For that you need screenlets.sudo apt-get install screenlets
* Done.
Download Wallpaper Clocks of your choice
* Vladstudio is the authentic site for all your wallpaper clock
related needs. You can find literally hundreds of mind blowing
wallpaper clocks in Vladstudio.* Download Wallpaper clocks from Vladstudio. Downloaded file
will be having .wcz extension.”