I'm having trouble uploading jpegs. Some photos have been uploaded to dropbox and i am then uploading to iplotz - only these are greyed out and will not upload. Its no diff if i upload from dropbox web folder or my hdd dropbox folder, move to desktop. I can open the images fine. Other jpeg images, not part of this set, that are on my HDD and upload ok as well.
What can someone do to a jpeg to make it impossible for iplotz to upload?