Yeah hope it works for you too.
here is a image from a SD card, with the same instructions, and a program to load the image is included. Minimum 2gb.
http://www.adrive.com/public/PZ3kjf/raspdrop_2012-08-25.zip
The image will auto deauth all clients in range, but will only work out of the box if your wificard is wlan0.