Did you use an ipad to take the photo's?
As I understand it, there's some information embedded in the photo as to which way up your phone, camera or other device was.
Ipad photo's lose that.
The solution is to edit the photo's on your computer - rotate and save them (even if they seem right way up).
'51,'56 Squares, '48 VH, '27 Model C, R67/2, Mk IV Le Mans, '06 Super Duke and Ariel projects.