Google Birdseye Maps Downloader is a tool that help you to download 45° Imagery (bird's eye view) from Google Maps to your PC. All downloaded small images are saved on the disk. You can view downloaded maps by Maps Viewer Or you can combine them into a big BMP map by Maps Combiner. Now it can download more than 500 cities.
It is very easy to use. Click here to see how to use it.
It is not free software. You can try it before buy.
For trial version, the downloaded images will be added watermarks. It costs you only 39.95$!