Dave-So,
yes and no.
You can ONLY export an image the same size as the stage in Particle Illusion 2 SE And I think in v3 non Pro ?

So what I do is chop the image up in PaintShopPro (or Photoshop), to a manageable size with thr area I want the effect on, save out that section as a new bitmap.

Export that into Particle Illusion 2 SE as background, on my widescreen monitor I can make the "stage" pretty big.
Thus I can do an effect, save out as another bitmap.
Import that into PaintShopPro (or Photoshop), put it on top of the original image, align, and merge.

So now I have an image with the special effect on.
That's how I did this pic:

http://www.renderosity.com/mod/gallery/index.php?image_id=1744712

CAVEAT!
note to beware of putting effects near the borders of the cut oue sections, some have very large "flares", lens glows etc, and may leave a noticeable faint line at the edge if the effect overlaps the cut, at all.

 

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