bash deps.sh
Add these blocks to ~/.config/mimeapps.list
[Default Applications]
image/jpeg=org.kde.gwenview.desktop
image/png=org.kde.gwenview.desktop
image/gif=org.kde.gwenview.desktop
image/bmp=org.kde.gwenview.desktop
image/tiff=org.kde.gwenview.desktop
systemsetting