Water caustics texture in Photoshop?

I wish to create water caustics textures in Phototshop CS3, but I can't find any online tutorials for this or playing around with the gradient tool did not help either.

Can any of you please show me how to create the following type of water caustics in Photoshop CS3?





Any help appreciated. Thank you.

Jacques

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'A camera is a device that helps one appreciate the world without it.' - Jacques

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Brian said:

I hate to admit it, but your signature looks better in colour.

Click to expand...

View DPR with wider columns: http://friend.smugmug.com/gallery/3106909 .

I believe Bert Monroy has a video on creating an underwater scene which touches on this on Revision3.com. I can't locate the video, but here is link to step-by-step: http://www.bertmonroy.com/tutorials/text/28_nemo.htm
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My 2¢ worth
My still camera 'evolution' 1950-present:
http://www.pbase.com/filer/image/49099880/original

I support the Alzheimer's Art Quilt Initiative at http://www.AlzQuilts.org .

Joe Filer
Mahomet, IL
http://www.pbase.com/filer