I use another variation of these theme.
First, I use three spaces ... ;->
Then, as an icon for the folder I use a small badge which covers only the lower right quarter, the rest is transparent.
This way, I still see most of the stack, and have a badge to identify the stack easily.
Unfortunately, I don't know how to include a sreen shot ...

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Here's a screen shot .

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I use the same method, but with full size partially-transparent icons. Makes a lot more sense to me than messing with automator for no benefit.

<a href="http://macthemes2.net/forum/viewtopic.php?pid=191421">screenshot</a>;

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You should submit your idea as a new hint. It's much more useful and may not be seen by all in the comments.

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