hostname=<hostname> - Specify the host to connect to to retreive files
server_prefix=<directory> - Specify a prefix to each file indicating
a directory for the server to look into
Also, the .net server now does not require a file to have the .net
suffix. ALl this together now means that you can do this:
osgviewer -e net -O "hostname=openscenegraph.org server_prefix=BlueMarble" earth.ive
And view the whole earth streamed from a server.