(1) JPEGs are great for photos! (2) JPEGS are horrible for text logos, line art, and areas of flat color. (3) JPEG compression is good, but if you can see the little bubbles and the image distorts, you've compressed the image too much. I usually compress the files about 15-25% depending on how the photos look after I compress them. (4) Is your image less than 100x100 pixels? JPEGS work for Yahoo Store THUMBNAILS(or the ICON field) if the graphic is a photo.

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