I have added some screenshots. Don't know if the 'open file' dialog is part of Nautilus. But here is what happens.
** Attachment added: "bug jpg.odt" https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1095321/+attachment/3493945/+files/bug%20jpg.odt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1095321 Title: Capital JPG extension not recognized as pictures To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1095321/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs