xmms-status-plugin is a general plugin for xmms player. It provides
docklet for GNOME1, docker for KDE2, and standardized Notification
area icon for GNOME2 and KDE3. The visual appearance of icon
changes depending on state of player. Both graphics and actions
are configurable.

WWW: http://www.hellion.org.uk/xmms-status-plugin/