Create Background Slideshow (or CreBS for short) is a Python/GTK application used to create and set desktop wallpaper slideshows for the GNOME desktop, and, by extension, the Linux distributions that use it, such as Fedora and Ubuntu.
The GNOME desktop is able to use a sequence of images for its background wallpaper, changing them automatically over time, but does not include an interface for specifying which images should constitute such a slideshow.
Create Background Slideshow (CreBS) is a small Python/GTK application that provides such an interface, saving users from having to manually edit XML files.
The image set defined is stored along with your ordinary wallpapers so it can be reselected in the future from the standard Appearance Preferences window.
sudo add-apt-repository ppa:crebs/ppa
sudo apt-get update
sudo apt-get install crebs
Select your photos and name your slideshow.
After creating it. Crebs store it as xml file in $HOME/.crebs
Then rename & replace crebs xml file to background-1.xml in the path /usr/share/backgrounds/contest
Right mouse click on Desktop and select: Change Desktop background
Select your slideshow in the appearance window.
If for some reason the crebs repo doesn't work, you can always edit your /usr/share/backgrounds/contest/background-1.xml and change the images path for those which you want to use.
Don't forget to assign proper rights to the xml file. I use to set 666 with chmod command. (chmod 666 background-1.xml)
Using Create Background Slideshow.
Start by adding images to the slideshow; multiple images may be selected for addition within any particular directory, and you can even drag and drop images from your file browser or the Appearance Preferences wallpaper list. Then rearrange them into your chosen order using the Earlier and Later buttons or by dragging the image into place. If you change your mind about including an image, use the Remove button.
Got a favourite picture you want to see for longer than the rest? Override the default duration with any time you like, specifiable in seconds, minutes, or hours.
Figure 2: Individual images can have their own specific duration and transition time.
Finally, give the slideshow a name and press Save to set the image sequence as your new desktop background. The set is added in with your other wallpapers, so you can use the standard Appearance Preferences window to change and restore the wallpaper in the future.
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