You don't need to be a photography expert to know that camera shake can ruin a photo. Avoiding camera shake can be difficult, whether trying to capture intricate detail in artwork or simply trying to capture an image of text that isn't too blurry to read later. The iPhone is small enough and light enough that just a slight push on the volume button or even the virtual shutter button can ruin a photo. The new jailbreak tweak ProximityCam, from developer PoomSmart, offers a practical solution to the problem.
ProximityCam allows you to use the iPhone's proximity sensor (the sensor that turns the screen off when you hold it up to your ear in order to save power and avoid inadvertent input) to take photographs. With ProximityCam installed you simply wave your finger in front of the sensor to take a picture with the Camera app. This