Typical Aerial Photo, Unoptimized 300x197 pixel .jpg, 10% compression, 22.3 KB

Typical Aerial Photo, Optimized 300x197 pixel .jpg, 10% compression, 17.6 KB

Oblique aerial photo originally saved for the Web using Corel PhotoPaint. Custom zonal compression was applied for the less-important portions of the graphic that would not readily be noticed by the average viewer on-screen.