In this podcast Leonid demonstrates a simple way to flash a stock Android rom on to a Google Nexus device.
The factory images can be downloaded here.
The following tools were used to flash the image:
Download the 7-zip utility to extract the compressed image here.
The ADB and Fastboot tools are used to flash the image on the Nexus device.
Download the Minimal ADB and Fastboot installer here.
Please be sure to back up any important data before proceeding!