Although GIMP wasn’t designed for web development or design, it does include some useful tools for preparing images for the Web, including two found in the Image: Filter > Web menu, which let you delimit areas in an image so you can make something happen when a visitor clicks or hovers over those areas. This menu also contains a tool for handling GIF images.
Image: Filters > Web > Image Map uses an image to build a clickable map that you can integrate into a web page. The map is divided into non-overlapping regions, and a link is attached to each region. When users click in one of the regions, they are taken to the corresponding link.
Figure 8-15. The Area Settings dialog, Link tab
The Image Map dialog, shown in Figure 8-14 ...