I see what you're looking at Don. It's so soft over there that it's hard to tell that it's shadows between petals. It does look like a couple layers got shifted out of phase. Here's a slightly different version, with a border, that may add some definition to the overall look.
senorjax, whatever irregularity I was seeing in the first version isn't there now, and it doesn't look like you edited it, so maybe I was hallucinating.
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Don
Gallery: http://cornflakeaz.smugmug.com/
Gallery: http://cornflakeaz.smugmug.com/