This group contains all kind of information about Scrin - the most enigmatic faction in C&C tiberium saga games. If you like to play as a Scrin, Traveler-59 or Reaper-17, that means, this group has a spare cell just for you. Welcome, Foreman.
Oddly this picture is the header but isn't in the gallery.
From the looks of it they're another design for a Tiberium harvesting device.
Here's a link to an image of one in a Tiberium crater Media.moddb.com