Offline Map Maker is a tool that help you to get offline
tile images from Google Maps, Yahoo maps, Bing maps. All
downloaded offline images are saved on your disk. You can
view downloaded offline map by Offline Map Viewer. And you
can zoom out or zoom in the offline map, or output the
offline map as a BMP file. If you want to make a offline
map of your city by yourself, it can help you.