When we connect iPhone / iPod to macbook or any other machine running mac OS, it pops up the image capture program to download your images from the iPhone / iPod memory to your computer harddisk.
However, if you have ever encountered the same situation, connected the iPhone 
To browse and download your images off the iPhone / iPod memory, simply goto : Applications > image capture and once you run the program, it simply shows you the options to download your images off the iphone / ipod device.
If you want, you can select to keep the image capture in the dock so that you can run it whenever you want!