This is how to get Airlink 101 – AWLL3026 USB wireless working under backtrack 4. I actually used a Virtual backtrack 4 for this and it worked just fine.
Download and extract the contents of this file:
To this location:
Note that you may need to create the directory zd1211. (I did)
This will resolve this error, which is what I was getting.
SIOCSIFFLAGS: No such file or directory