What you need to do to post pics upright with an iPhone is to go to your picture library, choose the pic you want to upload, click edit in the top right corner and rotate the pic 3/4 of a turn and save it! Then click edit again and rotate it the other 1/4 turn to orient it the way you want it to upload and save it again. It will then post in the upright position! From an iPhone, you can only post one pic at a time!!
