Instructions
Turn off the DSi.
Insert an SD card into the DSi's SD card slot on the right side of the device.
Turn on the DSi. The main menu boots up.
Touch "Camera" on the bottom screen. The device's "Camera" menu loads.
Tap "Other." New options open.
Tap "Copy." Copying options open.
Tap "Copy From System to an SD Card." Photo selection options appear.
Tap a photo selection option. "All photos" copies every photo saved on your DSi. Tapping a "Sticker" option, commonly referred to as a photo tag, allows you to choose all photos with a specific tag. "Copy Individually" lets you select specific photos. If you choose the latter, a list of photos appears. Tap each photo that you wish to copy.
Tap "Yes" to copy the photos to the SD card.
Tap "OK" when the copy process completes.