Getting WindozeXP Home to Use 802.11b Wireless Connection

I am getting a bit frustrated with WindowsXP at this point. I
purchased and installed a belkin 802.11b router and a PCI 802.11b
wireless in my duaghters computer (she will be taking this back to
school and sharing a connection with two other girls in a townhouse
where the access point/router will be in another room with the other
two girls PC's plugged into the ethernet switch ports and one of the
PC's will be running connection sharing on a dial-up computer).

After installing the PCI card and the driver, her PC see's the
wireless connection. For the test set-up at home here (I am going to
use the same set-up for her at school) the PC's have the following
fixed addesses.

192.168.0.1 Gateway PC running connection sharing (attached to
ethernet port on WAP/router)
192.168.0.2 My PC running Linux (only one with a decent OS)
192.168.0.6 Her PC with the Belkin PCI card
192.168.0.254 Belkin WAP/router

The Belkin wireless utility states she is connected to the wireless
network, but any time I try to ping or run a traceroute to .254, .2,
..3 or the internet it fails with "no route to host." I have tried
everything (M$ connection wizards and different variations on the
route command) to set the default route through Wireless card. Also
when trying to use the route command I don't know the interface number
(the help file states that as long as the wireless interface has the
lowest metric it will get picked anyway) and I don't see anywhere in
the docs on how to find it. Using "route PRINT" does not list the
wireless card. Using IE or some other program brings up the interface
to start the dial up connection. What do you recommend I try?