Quick Snap - Camera Plus turn iPhone Volume Button into a Shutter Button?
"Just can't find the right pose for the shoot? Take timed shots in Time Delay mode! Timer options include 3 seconds, 5 seconds and 8 seconds. Simply press VOLUME- button to delay the shutter and getting ready for the it! It's great for group or posed shots!
Note: The default delay time when pressing the volume - button is 3 seconds. You can also use the soft button on the screen.
Single Shots, Two Views: Take a self-portrait with iPhone 4's front facing camera or focus on something else. Switch back and forth between them by a single tap.
Save your pictures automatically to Camera Roll."
Download From: iTunes App Store