Slidewall is an application to make slideshow wallpapers.
It's written in python, it returns Ubuntu-compatible xml files and also provides a minimal wallpaper changing daemon for gnome 3.
It lets you choose sigle files, entire directories and also filter photos by tag from a given library directory.
All bugs Latest bugs reported
Bug #1400604: slidewall wallpaper clock shows AM when its PM
Reported on 2014-12-09
Bug #1208931: Slidewall doesn't start
Reported on 2013-08-06
Bug #1119524: No Startup: Startup command incorrect?
Reported on 2013-02-08
Bug #1093579: Slidewall refuses to start up.
Reported on 2012-12-25
Bug #1081105: The add button doesn't appears
Reported on 2012-11-20