A media wall for supporting various types of media, such as plasma screen or flat screen television sets, as well as other types of thin media, includes an upright vertical wall to which the media is mounted. An electric drive system longitudinally translates the plunger so that its tip engages an insertion cartridge to fold and displace an intraocular lens disposed within and to inject the folded lens into the lens capsule of an eye. The method comprises adjusting the relative positions of the X-ray source and the reflective structure so as to reduce a penumbra amount formed by the X-ray emitted from each of the passages. Embodiments may also include, in response to receiving a request from a virtual universe user to borrow one or more shared inventory items carried by the pack avatar, accessing the one or more requested shared inventory items and rendering the one or more requested shared inventory items in the virtual universe.