New day, new app in Cydia: Camera Preview Disabler. This is a simple tweak to disable the preview box that is in the bottom left corner of the Camera.app. This is especially useful if you have something like Locktopus installed and don’t want people to view your photos, but at the same time you don’t want to go through the hassle of entering your passoword each time your want to take a picture.
You can find Camera Preview Disbaler for free in Cydia via BigBoss repo