Hi Lee,
as far as I remember, in LV6 you can do that (to run a non-included VI from your builded application - you have to code a "loader VI" using VIServer's methods). Try to contact Labviewguru ... he is the one to ask for details.
Good Luck!
p.s.: this post may be helpful [http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RPAGEID=135&HOID=506500000008000000DC360000&UCATEGORY_0=_49_%24_6_&UCATEGORY_S=0]