From your desktop computer , you can see your photos copyed from your photo library , you can zip these photos to zip file ,download to your desktop computer .
Steps:
1.copy your photos from your photo library.
2.start Photo Zip
3.http://yourphoneip:8081
4.web browser display iphone pasteboard items
5.you click zipphoto
Notice:
1.can zip up to 260 photos (iphone 3g)
2.your desktop computer and iphone at the same wifi network.