This is a rear view of a multiple hanging.  You could hang three or four pictures in a vertical line in this manner.  You could also combine an inverted V arrangement with a Double Vertical Drop arrangement (see Image C).  This illustration uses chain, but it could also be done with cord (see Image D).

  This is a Double Vertical Drop arrangement using chain.  The inserts demonstrate how the O rings and S hook are used.

  This is a simple inverted V hanging.  Can be done with cord or chain.

  Double Vertical Drop using cord.

  Multiple Hanging example using two separate cords.