A photo booth captures a few unguarded frames, and tradition reads it as wanting to hold on to a moment or a bond. It can also stand for posing versus being caught as you really are.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.