I'm quite new, not only on Kdenlive but on Video Edition too. So, my question seems to be very basic.
My computer screen is configured as 1280x800, I defined a project with the same resolution, a pixel ratio 8/5 and a screen ratio 8/5.
Then I add a clip, which is just a picture, with the same dimensions (8:5) but the picture I see on the monitor is made narrower, distorted. I see the shapes enlarged and tighter inside a wider black frame.
What is wrong here?
I would appreciate any help. Thanks in advance.

Maybe I had to add the software I'm using:
Fedore 16
KDE 4.8.3
Kdenlive 0.8.2.1