Image Formats
http://www.htmlgoodies.com/tutorials/web_graphics/article.php/3479931

Burns, Joe
HTML Goodies
1998

Abstract:

But what's the difference between GIF, JPEG and BMP? What does it mean if a GIF is interlaced or non-interlaced? Is a JPEG progressive because it enjoys art deco? Does a Bitmap actually offer directions somewhere? And the most often asked question: When do I use a specific image format?