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In your XML response, you might get as many as thirty image URLs. Which one or ones should you display? Image name suffixes specify the size of the image. Choosing a size narrows the possible images to display. Still, you must choose which image set to use.
Amazon Associates Web Service takes the guess work out of such situations by adding an attribute to the ImageSet element called Category. The following XML response snippet shows an example of a "primary" Category ImageSet.
<ImageSets> <ImageSet Category="primary">
The following list shows Category values and their potential uses:
The following image shows an example of an image from the primary ImageSet.
The following image shows the variant image associated with the primary from the variant ImageSet.
This image is the back cover of the same book. Displaying multiple views of the same item helps give customers a better sense of what they are buying. For that reason, providing customers with the opportunity to display "variant" image sets in addition to the "primary" image set helps drive sales.
