That's the thing. Files aren't thumbnailed even if they change, like when they finished being downloaded with Transmission. Also, if you open a directory with videos before installing their necessary codecs you will get the generic icons, and installing the codecs afterwards will do no good.
Really, there are plenty of reasons to retry thumbnailing at least once in a while. -- re-generate failed thumbnails https://bugs.launchpad.net/bugs/346657 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs