OV7670 300KP VGA Camera Module for Arduino

http://www.dx.com/p/ov7670-300kp-vga-camera-module-for-arduino-147742

http://forum.arduino.cc/index.php?topic=125767.0

http://embeddedprogrammer.blogspot.com.br/2012/07/hacking-ov7670-camera-module-sccb-cheat.html