Please make sure the equine is stood as squarely as possible (unlike Orri!), on flat ground, with head and neck in a straight line.
If asked to send photos in for a saddle assessment, please can you take photos without saddled or cinch initially from these angles:
 
Then if your equine is ridden, please take the same photos, after riding, with a saddlepad and cinch, from the same angles: