Google Satellite Maps Downloader is a cute tool that can automatically download Google Maps satellite tile images and then combine them into one big map image. It supports multithreads, so the download speed is very fast. And it is very easy to use. All downloaded small images are saved on the disk. You can combine them after downloading or later. Isn't it very cool that you make your city's high precision satellite map by yourself?!
The max zoom level is 6