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The calm and peaceful waters are ruining your image and you want to stir things
up a bit. Here’s an easy way to add pond ripples to your image.
STEP 1
Open the image to which you want to add ripples. In this example, I’m using
#1330073 from PhotoSpin.com. Make a selection of the area in which you need
ripples and check the W: and D: fields in the Info palette to see the
dimensions.

STEP 2
Create a new document (RGB, Transparent) that’s square and about twice the size
of the longer of the W: and D: values you saw in the Info palette. Deselect or
Undo after noting the size.
STEP 3
Use the Eyedropper tool to “sample” colors from the original image to use for
the ripples. (You could use black and white, but I prefer to use colors from the
original image.) Click once near the outer edge of the water, press X on your
keyboard, then click once near the center of the water.
STEP 4
Select the Gradient tool and in the Options bar select Radial for the style and
foreground-to-background for the gradient content. Drag the tool from the center
of your empty document to one corner.

STEP 5
Select the menu command Filter> Distort> ZigZag and choose Around Center for the
style. The appropriate values depend on the pixel dimensions with which you’re
working. In this case, my image is 1700 pixels by 170 pixels, so I need the
maximum values. (You want visible ripples in the image.) Click OK. If the
ripples don’t seem strong enough, press Command-F (Mac) or Control-F (PC) once
or twice to re-apply the filter. You can also use the Unsharp Mask or Smart
Sharpen filter if desired.

STEP 6
(OPTIONAL) Open the Distort> Ripple filter’s dialog box, select Medium for the
size and an amount just enough to break up the edges of the ripples a little.

STEP 7
Drag the layer from the Layers palette to the window of your original image.
Change the upper layer’s blending mode from Normal to Overlay. Press F on the
keyboard once to enter Full Screen mode. Press Command-T (Mac) or Control-T (PC)
to enter Free Transform. Zoom out until the corners of the transform bounding
box are visible. Drag and Command-drag (Mac) or Control-drag (PC) the bounding
box anchor points to skew, scale, and adjust the perspective of the ripple
layer. Press Return/Enter when done.

STEP 8
Make a layer mask the excludes anything that is between the camera and the water
– anything that should not have ripples on it. The Select> Color Range command
is often a good tool for the job. (Remember to use the Select> Inverse command
before clicking the Add Layer Mask button at the bottom of the Layers palette.)

STEP 9
(Optional) Experiment with blending modes and opacity to get just the right look
for your image.

Tutorial Source
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