I have a laptop with an internal wireless card and one PCMCIA slot.

The internal wireless card works fine with Knoppix and I have an
external one that also works fine and can be put into master mode.

I am wondering if somebody could tell me how I can connect to a
paid wireless access point on one NIC and then provide wireless
access on my other NIC.

Basically, when I am at the airport, I'd like to pay for wireless
access and then redistribute it to my extended family for free so
that we don't have to pay for each laptop.

Is this easy to do?

Thank you.

Ilan