The authorship or origin of the included images:

available.png/	modified GNOME icon (Lars Lindner <lars.lindner@gmx.net>)
empty.png/
vfolder.png

updating.png	GNOME stock icon
directory.png	taken from Nautilus
online.png	taken from GnomeDB
offline.png	derived from online.png (Lars Lindner <lars.lindner@gmx.net>)
unread.png	taken from Pan
edit.png	taken from GNOME stock (generic/stock_edit.png)

liferea.png (news-reader-48.png) Jakub Steiner <jimmac@ximian.com>
