feh --zoom 100 *.jpg
Check the box: and click OK .
After installation, open any 128x96 JPG. By default, it might still look blurry. Fix this: jpg 128x96 file viewer install
Your viewer is adding padding because the image is smaller than the window. Fix: Look for a setting called "Fit window to image" or "Set desktop background to black." Viewing a 128x96 image on a white background causes eye strain. feh --zoom 100 *