Binary package “qiv” in ubuntu focal
Quick image viewer for X
Quick Image Viewer (qiv) is a very small and pretty fast GDK/Imlib image
viewer. Features include zoom, maxpect, scale down, fullscreen,
brightness/
rotate left/right, flip, delete (move to .qiv-trash/), jump to image x, jump
forward/backward x images, filename filter, and you can use qiv to set your
X11-Desktop background.
.
qiv also supports the assignment of external commands (like metacam) to unused
keys.