Binary package “xscreensaver-data-extra” in ubuntu intrepid

data files to be shared among screensaver frontends

 This package contains the so called "hacks" (the single screensavers
 that get displayed from a screensaver app) its split out to be used
 with programs like gnome-screensaver that bring no own hacks, but can
 display them. Additionally it contains the various tools to load text
 or images from external sources.
 .
 This is the set of non-GL screensavers not shipped by default.