Apparently it's because you didn't play World of Warcraft often enough!
Best thing to do is get a free Photobucket (or other picture hosting site) and use that instead. Otherwise it's how the picture is formatted. If it is taller than it is wide and at the limits of what this site can take then it will drop them in sideways.
__________________ But the wisdom that is from above is first pure, then peaceable, gentle, and easy to be intreated, full of mercy and good fruits, without partiality, and without hypocrisy. James 3:17 (KJV)