The API (Liblindicator) which the inidcator-sound uses expects a GtkImage as the icon. GtkImage does provide the same fall back mechanism which Sebastian has pointed to above with GtkIcon. It is a known issue across all indicators and one which will need to be resolved shortly.
-- Lucid volume icons are not shown. Displays the "unknown icon" instead https://bugs.launchpad.net/bugs/525295 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