Yes, an iPod Shuffle can be used to import photos on an iPod. And iPhone.

[iMore.com]

You'll be amazed at the unholy combination of cables, dongles, and iPods that went into making this video.

Full story from the iMore Blog...

 

[scruffypig]

I can do this too with my old iPod Nano. The imported photos will be really low resolution images formatted for the tiny iPod Nano screen.