In a nutshell here it is!

First setup the NFS export on the server...  My /etc/exports file
/home/julie/intimate	192.168.0.1(rw) 192.168.0.100(rw,no_root_squash)

The no_root_squash is important so that familar can modify the file system (and you can install more files with ipkg).

put this in /etc/fstab
192.168.0.1:/home/julie/intimate /mnt/root nfs rw 0 0

Then I setup the following in /etc/pcmcia/network.opts  This sets up the ethernet and mounts the nfs partition and does the pivot_root then runs the linuxrc on the new partition.

case "$ADDRESS" in
*,*,*,*)
    INFO="Sample private network setup"
    # Transceiver selection, for some cards -- see 'man ifport'
    IF_PORT=""
    # Use BOOTP (via /sbin/bootpc, or /sbin/pump)? [y/n]
    BOOTP="n"
    # Use DHCP (via /sbin/dhcpcd, /sbin/dhclient, or /sbin/pump)? [y/n]
    DHCP="n"
    # If you need to explicitly specify a hostname for DHCP requests
    DHCP_HOSTNAME=""
    # Host's IP address, netmask, network address, broadcast address
    IPADDR="192.168.0.100"
    NETMASK="255.255.255.0"
    NETWORK="192.168.0.0"
    BROADCAST="192.168.0.255"
    # Gateway address for static routing
    GATEWAY="192.168.0.1"
    # Things to add to /etc/resolv.conf for this interface
    DOMAIN="home.magenet.com"
    SEARCH=""
    DNS_1="192.168.0.1"
    DNS_2=""
    DNS_3=""
    # NFS mounts, should be listed in /etc/fstab
    MOUNTS="/mnt/root"
    # If you need to override the interface's MTU...
    MTU=""
    # For IPX interfaces, the frame type and network number
    IPX_FRAME=""
    IPX_NETNUM=""
    # Extra stuff to do after setting up the interface
    start_fn () { pivot_root /mnt/root /mnt/root/tmp/old; /linuxrc; return; }
    # Extra stuff to do before shutting down the interface
    stop_fn () { return; }
    # Card eject policy options
    NO_CHECK=n
    NO_FUSER=n
    ;;
esac