J. Drahun wrote:

> deloptes wrote:
> 
>> Do you have the same problem with png image of 24b/pixel? I checked few
>> png files here and they all are 24b/pix and what you show is 32b/pix.
> 
> Yes, I've found some 24bpp PNGs, they share same problems.
> 
>> Are other applications in ex. display showing problem with this image?
> 
> No, other applications show this image normally.
> 
> Best wishes,
> J. Drahun.

I have no idea - it looks like frequency or rendering issue. I can't help or
reproduce it.

What says dpkg -l | grep libpng ?

regards