I did a test with the oneiric live cd. The situation slightly improved. The background of the affected slides is no longer inverted (i.e. black). The colors of the images and arrows changed, but they are still wrong.
okular: 4:4.7.0-0ubuntu3 libpoppler: 0.16.7-2ubuntu2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/669168 Title: inverted image colors in okular To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/poppler/+bug/669168/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs