You didn't mention what apps the menu has. I have a Nikon D40 and Nautilus shows me these for .NEF-files:
Document Viewer F-Spot GIMP gThumb
and they all work for me, although Document Viewer cannot show anything else than the embedded thumbnail. Maybe you don't have dcraw installed?
You didn't mention what apps the menu has. I have a Nikon D40 and Nautilus shows me these for .NEF-files:
Document Viewer
F-Spot
GIMP
gThumb
and they all work for me, although Document Viewer cannot show anything else than the embedded thumbnail. Maybe you don't have dcraw installed?