PreWork:
1. apt-get update
2. apt-get install build-essential
3. apt-get install libssl-dev

Install Madwifi for AR5007EG / AR5001
1. Download latest from http://snapshots.madwifi-project.org/madwifi-hal-0.10.5.6/
2. tar -xvzf madwifi-hal-0.10.5.6-r4126-20100324.tar.gz
3. cd madwifi-hal-0.10.5.6-r4126-20100324
4. make
5. make install
6. System, Hardware Driver, mark "Activate Alternate Drivers"
7. Reboot

Install latest Aircrack-ng
1. Download latest from http://www.aircrack-ng.org/
i.e. wget http://download.aircrack-ng.org/aircrack-ng-1.1.tar.gz
2. tar -xvzf aircrack-ng-1.1.tar.gz
3. cd aircrack-ng-1.1
4. make
5. make install

Lets go! ^^