One of the more interesting developments recently in Camera+, a nifty little iPhone app from Tap Tap is the newest update was supposed to include "volumesnap", a setting to allow you to use the iPhone's volume buttons, making it easier to take pictures and having your phone feel a bit more like a real camera. Sadly this update was rejected recently.
Luckily there is a way to
How to use your iPhone's volume buttons for shutter control in Camera+ even without the update, and it works fine even on older (3G) iPhones. Simply:
If you find you don't like this (for example, if you want to change the music volume while you're taking pictures), just go to cameraplus://disablevolumesnap and it will, unsurprisingly, disable the feature.