If you want to show product thumbnail on any page in your requirement size then
At the showing page :
<img src=”<?php echo $this->helper(‘catalog/image’)->init($_product, ‘small_image’)->resize(100, 100) ?>” border=”0″ alt=”<?php echo $this->htmlEscape($_product->getName()) ?>” />
Change 100, 100 to your X, Y
Where X : your requirement width
and Y : Requirement height.
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