Thanks for the suggestion. That makes a difference when a square thumbnail is shown (for example, when you are looking at another photo in the same album, the thumbnail of the problem photo on the row beneath is now correct). But on the front page, the photo for the album is still landscape, and is still centred on the middle of the portrait photo - no head or legs!

Ideally I would like it to switch to a portait image for that album, but so far I have not found a way of doing that.