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deviantART deviations zoomed in by default
Shows full size deviantART deviations by default, rather than reduced size images. Still shows the reduced size if the full size image is wider than the viewport or taller than twice its height.
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There is no need for this extension any more.
You can choose to view all deviations zoomed in by default, by going to your personal settings page:
http://my.deviantart.com/settings/
Click the Browsing tab.
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Works fine with (in fact, written for) the new DeviantArt design.