CaptainC wrote:
All the suggestions are correct, but the biggest thing is the biggest amateur mistake - the subject is too close to the wall. Get them away from the wall! But you should also consider all the other suggestions.
Did I mention getting the subject away from the wall?
Cliff has nailed it.
You can cheat by changing the angle between you, the subject and the wall.
The closer you and the subject are to the wall, the greater the distance of the resulting shadow.
I made a quick diagram to try and show what I mean...