KAlarm image alarms have now been fixed for the forthcoming KDE Applications 19.12 release, by commit https://cgit.kde.org/kalarm.git/commit/?h=release/19.12&id=2e2b77207eb1e4b631da94633484d0695e1dc0cd
-- David Jarvie. KDE developer. KAlarm author -- http://www.astrojar.org.uk/kalarm
