Hope to get my RL personal shield in-game.
Basically, its a quartered rotational symentry design. Top left is this raven:
http://i666.photobucket.com/albums/vv28/waffenbaum/ravenbanner.png
facing the other way in red on a green field, top right is chequered red and green.
Lower half is upside down version of the top half.
Basically, clockwise-facing raven top left and rotated 180 degrees for bottom right, chequered field other two quarters.
Like this in fact:
/lives in hope