If you were hoping for some easy to save photos from facebook app then here is some thing we have for you, FBPhotoSave Cydia App. FBPhotoSave allows you to save photos from the Facebook.app directly in your camera roll, at the best quality available.
Just keep your finger pressed a few seconds on the photo to let the popup appear: after pressing the ‘Confirm’ button, you’ll find the photo in your camera roll. FBPhotoSave works on all devices supported by the official Facebook app.
You can purchase FBPhotoSave for $0.99 from ModMyI Repo.