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Choose landscape:
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CROP image if desired.
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Then...in Adobe Photoshop go to Filters > Distort > Twirl...Play with Twirl to get the effect you like.
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Clean up edges using brush and fill tools and there you go...you have a spiral.
Photography, Art and Other Observations By Elisabeth Bacon
Image by Elisabeth Bacon 2008
All Rights Reserved
Our garden is overrun with morning glories. I am heading there, in a few minutes, to see if any of them have survived the frost.