Why does LightDM only show a custom wallpaper on the login screen if I have selected one of the default wallpapers?

Posted by Mauricio on Ask Ubuntu See other posts from Ask Ubuntu or by Mauricio
Published on 2012-05-01T13:31:18Z Indexed on 2012/09/06 9:50 UTC
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lightdm

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display-manager

LightDM only changes wallpapers if I have selected one of the default wallpapers. If I choose another image from my pictures, LightDM shows the default wallpaper.

Why is this happening, and how can I make LightDM show my wallpaper if it is not one of the defaults?

As @doug said in his answer, it works if you click on the little + symbol in the appearance settings: after you do that, LightDM changes wallpapers.

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