Background Slideshow for Unity — Need Help

I wanted to create a special changing wallpaper for my old laptop now that I am passing it on to my wife.  I found some instructions, but I couldn’t make it work.  If you have any ideas, please comment below.  I can create the XML and the wallpaper, but I can’t get it to display where I can select it.

First, I found instructions on installing a program called crebs (Create Background Slideshow).  It creates the XML file that tells which images to include in the wallpaper.

I tried installing with:

sudo add-apt-repository ppa:crebs/ppa
sudo apt-get update
sudo apt-get install crebs

Unfortunately, the repository isn’t up to date.  I had to change the version in software sources back to “natty” to get it to install:

Once installed, it didn’t show up in the menu.  I had to launch it from the command line.  To make it easier, I added a launcher with the Main Menu application.

I was able to create the slideshow with no problem.  I added my 3 images.  It doesn’t package them at all, so put them in the place where you want them to live before you place them into the slideshow.  You may want to put them into the /usr/share/backgrounds.

When I hit save, it generated the slideshow xml file in the $HOME/.crebs/<name>.xml directory.  I moved that file to the /usr/share/backgrounds/sunflower directory.

My big problem is that I don’t see the slideshow in the Appearances App to select as my background.  That’s where I get stuck.

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