I'm also using the same USB stick, I havn't had any luck in finding a way to get it working. It worked when I ran the system on the live cd. But not when it's fully installed. I have discovered that...

I've installed backtrack 4 pre-release using vmware.

I am currently using a wired connection, but even this doesn't work in backtrack, I want to configure my wired and wireless connections to work...