Colouring lessons page 9
I have succeeded in stocking up some PNG images that are unreadable by Windows:
It is not only the Windows Picture and Fax Viewer that is affected; the images do not generate correct previews either.
The following requires careful scrutiny, but you can see that the vertical scrollbar has a stray black pixel, a recurring bug in Psion EIKON:
Spotlight’s failed attempt to draw in is somewhat less subtle: