I used a tutorial to learn to create a flame from a word or a font :- http://www.elftown.com/_Realistic Flames in Photoshop
The font I used was called Celtic.
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This is how I played with the Liquefy warp tools.
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Read the tutorial - I followed the instructions except that I blurred the red layer much more than the yellow and arrived at this.
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The leaves I duplicated and greyscaled one. Then used a gradient map on that one you can see the colours chosen were from itself. I just reversed the shadow/colour/highlights to make the leaf appear to be seen from the underside and curved towards the viewer. The leaf was flipped horizontally & the stalk removed with a mask
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I played with a frame - and overlays discovering that the blue overlay property as "saturation" gave a glowing gold colour to the brown leaf
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The final decision involved making a screen-shot of Photoshop transparency background and overlaying that with x 2 layers their property set to "Multiply" and simplifying the frame to a single line.