https://bugs.kde.org/show_bug.cgi?id=483977
--- Comment #1 from Konstantinos Sk ---
ADDITIONAL INFORMATION
Modifying `/usr/share/sddm/themes//theme.conf.user` and wrapping the
filename in quotes " " works. However, selecting another image through `Login
Screen (SDDM)` or the default on
https://bugs.kde.org/show_bug.cgi?id=483977
Bug ID: 483977
Summary: Change SDDM background image with filename containing
space(s) defaults to initial background image
Classification: Applications
Product: systemsettings
Version: