An interesting app that allow you to add the ghosts into your existing photos, or add ghost when you are taking photo by camera. There are a lot of existing ghost template for you to select.

Use “Ghost Camera” to take a photo with ghosts or add ghosts to photos in your gallery and share them with friends through Email, Facebook, Twitter and other photo services.
Different types of ghosts for you to select.
Scare your friends by taking ghost photos and sharing them.
Enjoy and have fun!

Screenshots: