What's the Diff...Between JPEG, TIFF & GIF?

Whether you only dabble in digital photo use and manipulation, or you are a seasoned desktop publisher, you're likely to learn some great info in these articles on Graphics and the Internet, by Grant Osborne.

This one on JPEGs and JPG Compression and the other on the GIF File Format.

Among other things, the articles cover how to get  transparent backgrounds instead of the dreaded white box (around your shapely logo or graphic image) and how to get rid of the pesky white edge that can surround a graphic on a colored background as shown here.

(image from the source site)