GrxView is the most versatile native image formats viewer and Card Export II is the best and fastest solution for Palm OS to transfer files to your memory card.
Buy these two products together for the special bundle price and get a great solution to transfer and view images on your Palm.
Softick Card Export II
Using Softick Card Export II it's possible to access SD/MMC card inserted into Palm OS device as a logical disk on the Windows desktop. Card Export II emulates USB Mass Storage device (like USB card reader, USB flash drives etc) and doesn't require any additional drivers on modern desktop systems.
With Card Export II you can transfer Palm OS applications, images, mp3 files to the card or just use the memory card as a floppy for any data. After connecting card it accessible as another removable disk in Windows Explorer.