How can i copy videos and photos from pc to psp?

id like to transfer the videos and photos i saved in my laptop to my psp. i connected the data transmit cable of the psp to the usb of the computer and then i right clicked a photo in the computer, then i sent it to ';removable disk (E)';. there's no response and the photo didn't show up on my psp. can you pls tell me how to properly do it? thank you.

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