It is possible to add a water mark feature to this mod.
If i get time over the weekend i will have ago.
You could try and add in skin1/customer/main/product.tpl
Under
Code:
{if $active_modules.Magnifier ne "" && $config.Magnifier.magnifier_image_popup eq 'Y' && $zoomer_images ne '' && $js_enabled eq 'Y'}
{include file="modules/Magnifier/popup_magnifier.tpl"}
{/if}
Add
Code:
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