How to know what memory card to use

A lot of digital photo frames come a some internal memory but what is really great about GiiNii digital photo frame is that they have no internal memory; therefore, no computer is needed to load the photos into the frame.   All a frame owners has to do to is simply remove the memory card from their digital camera and put into the digital photo frame, you will then get the same image on the frames display, as you would have done on the cameras viewing screen.     You can now choose which