Can I use the iPad Camera Kit to move photos onto an SD card?
you can read this nice article of what can you do with such connector

in sum, you can:


Attach USB Keyboards
USB Audio Devices (like an usb wireless headphones)
Attach a USB Microphone
Removing Items from a Camera or SD Card
Importing Photos from your iPhone or iPod touch
External Hard Drive Support (Jailbreak hack needed)
USB Hubs - Multi-device hookup