Some JPGs display distorted

[windozer]

If I go to this webpage:

http://www.impawards.com/2009/serious_man.html

and then save the image from ther:



to my desktop and open it in XnView,

then the picture displays like this:



I'm using XnView 1.97 (Nov 27, 2009) on Windows XP SP3. And I don't have problems with other JPGs so far. So I wondered why XnView displays exactly this JPG distorted. In Windows Picture and Fax Viewer it displays normal.

[marsh]

The following will display a better proportioned image in this case:
Options... General > {Operations}> [ ]Adjust zoom if X/Y DPI are different