Photos inaccessible for upload

Trying to upload photos to a website to make a photo album. The photos are all visible on my phone and through iPhoto, however when I try to upload them to the website many appear "grayed out". I tried moving them to my desktop and uploading from there as well but have the same problem. When I double click them from my desktop they enlarge and appear normal (ie. not "greyed out").

Any suggestions?