jetincarina-grayscale-theme
A simple SDDM theme with the Carina Nebula (in grayscale) as the background.
Installation
On Arch:
git clone https://github.com/brentlintner/sddm-jetincarina-grayscale-theme.git ~/.jetincarina-grayscale
cd /usr/share/sddm/themes
sudo ln -s /home/[username]/.jetincarina-grayscale
Then just set Current=jetincarina-grayscale under
the [Theme] section in your /etc/sddm.conf.