Also check out the FAQ in the blue menu bar above:
Then click on these:
Reading and Posting Messages: http://www.airforums.com/forums/faq....eading_posting
Attachments and Images: http://www.airforums.com/forums/faq....b3_attachments
I have a MacBook Pro, and have found it best to export/save a photo to the desktop and give it a new name. Then, when posting a message and going through the attachment process, I choose that file when this site "browses" for a file to attach.
For some reason, which I forget, the process above resulted in fewer [as in none] images which were rotated or upside down.
Just the path I happened upon randomly . . .
. . . not an expert opinion by any means.
PS -- Generally the following "Forum Admin etc." page is the place for questions like this IMO:
Richard's link in Post #2 is one thread in that forum.