I use that plug-in as well on occasion. But rather than use the results directly, which looks too bizarre to me, I duplicate the background layer, apply the effect to the copy, then merge the results with the original to get a more subtle effect. In this case, I used the 'luminosity' mode and adjusted the opacity to around 50-60%.
(click the image to view full size)
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Chuck
Canon 50D / 17-85 f4-5.6 / 24-105 f/4L (many more on the wish list),
Nikon Coolpix L3 (always in my pocket),
many other film cameras of various sizes
••flickr!