I think there's quite a few applications that will do this but to my knowledge, this isn't feature of GNOME shell. Check in the Ubuntu repos using synaptic or similar.
All the best Leo On 02/04/16 12:21, Narcis Garcia wrote: > Hello, I want to have a screensaver that shows randomly the "Pictures" > folder content, with Ubuntu-Gnome 14.04 (Gnome shell 3.10) > > How can I setup this? > > Thanks. > -- Ubuntu-GNOME mailing list Ubuntu-GNOME@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-gnome