I selected the Layer Style and went to Outer Glow. Set Blend Mode to Multiply, Opacity to 30%, Technique to Precise, Spread to 0% and Size to 24 pixels. Rather than hand-draw the contour from the tutorial, I selected a similar contour, set the Range to 50% and the Jitter to 2:
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I went to Pattern Overlay and selected a simple green pattern I threw together for this exercise. I set the scale to 450%:
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I went to Stroke and selected a 1-pixel stroke:
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This image to date:
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