Look at my avatar, I tried to do the crossbone-thing, I'm sure the whole crossbone-thing has been done better.
Fragtechs are basically high powered, concentrated photon particle beamers powered by Necrogen. lol
BTW the inside of the Command Skull is very roomy
Here's my Brickshelf:
http://www.brickshelf.com/cgi-bin/gallery.cgi?m=RaySkull