Is there anyway to add image to the MP3 on Sansa Fuze?

I added an image as a cover to some MP3 files using MP3tag and it workded correctly on my PC. When I copied the entire directiory including the image to my Sansa, the image didn’t show up! Any ideas?

Thank you.

How did you add it to the song? Did you embed it or save it as a folder.jpg?