Acland,
Thank you for the work shown here Master.
Perhaps you (and many) will help this board by someone on the forum, which I often use. In order not to look at pictures in the future, they can be "correct" and then they will look much more attractive. Some work hard and the result is obvious. Here's what should be done in Photoshop:
1. View - show the entire screen (or so it fit the whole picture)
2. Panel - Tool "frame"
3. Holding the frame left arm to put the upper left corner of the image and drag on the bottom right corner of the
4. Send "tick" in the "run" (where%)
5. Left mouse dragged "Squares" to the free corners of the picture
6. ENTER
Picture of "rectified" and quite another kind!
http://www.arthit.ru/useful/to-make-photo-r.html