My main desktop on Debian, left QHD screen, right full HD. (needed the old QHD for remote sorkspace) Debian Trixie with XFCE4, DarcCold style and Adwaita Icons. Didn’t do much tweaking, yet. Switched to XFCE4 3-4 years ago after running CTWM since '96. (Still use that desktop for my vnc environment on my main RPi)
I have that wallpaper too