If you hold the Iphone side ways with the button on your right, the pictures will post here correctly.
I, for one, do appreciate the help on this because I post pictures and half the time they are way wrong. However...if I turn the phone sideways, there's no button on the right (or the left.) Maybe top or bottom? And which button(s)?
Another tip I find that works is Edit the photo. When you go to edit and adjust the size, it usually loads properly. When the bracket around the pic highlights, I bring it all in a lil bit
I have found that after I downlead to my computer if i rotate the photo and then save it will post correctly, no matter the orientation I'm looking at. Even if its correct on my computer I move it then move it back, save it, then it posts correctly. I would assume this relates back to the tag mentioned in an earlier post.