1. Login to Facebook.
2. Log into My Camera Gear application
click here.
3. Select "Go to Application".
4th. Click the "Add Application" and then "Allow"
5. Now select the camera might like and add to the list of your camera wishlist. Can select more than one.
6. If you've finished selecting, save it, then back to your Facebook profile.
7. Add the application "My Camera Gear" on your Profile tab.
And have a nice try.