I use w3m to browse websites inside a shell, e.g.
w3m w3m supports displaying images the rendering seems buggy. They sometimes won't show at all, or will flicker when scrolling.
This is an example of the problematic output:
I am using terminator, yet also could reproduce the behavior using konsole and terminal.
11 Answer
This seems to be an issue with anti-aliasing.
After I disabled anti-aliasing in my xresources the flickering went away.
Of course, now the font rendering is ugly, but it showcases that w3m is having issues with font rendering when it comes to anti-aliasing.
The following is an example of how the disable anti aliasing in the .Xresources:
Xft.antialias: 0 2