Photo's in keys?

[Robert J. Hansen]

David Shaw wrote:
> The pic must be JPEG and the extension doesn't matter.  GPG doesn't
> really care what the size is, but if it is over 6k, you'll get an "are
> you sure?" message, as it is kindness to the rest of the world to keep
> key sizes from getting out of control.  GPG does not manipulate/resize
> the photo in any way.  The command is "addphoto", in the --edit-key menu.

Is there any guidance on what size PGP expects it to be (in terms of
screen dimension, not size)?