Exporting pictures from iOS device without using a computer
Since the iPhone and iPod Touch don't have an SD card port or the inherent ability to mount a USB memory stick, you'll need to purchase 3rd party hardware (and potentially software) to transfer data to either of these media types without a computer.  

A Google search on the subject could help. I can't make a product recommendation, but one place to start is with some reviews like this one at Wired's Gadget Lab