Aha!
So, for C++, Brian mentioned the NI updates in links here....
http://firstforge.wpi.edu/sf/frs/do/...2_update_for_c
but there is also a link at the bottom of that page which is the actual C++ workbench update that contains the cRIO image in it at:
http://firstforge.wpi.edu/sf/frs/do/...h_update_v2993