Let me throw mine in before someone thinks of it. ;)
Made a copy, flipped it so I would have a nice reflection, applied the wave filter, slight Orton Effect.

Here's my version.

6 layers 1..orginal, 2,virtual painter(impasto) 3 virtual painter (silkscreen) 4 impressionist (damp transluent) 5 impressionist(crackled paint2) 6 impressionist(soft paint smudge) different blends and opacity

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suzib - I really like the effect you got. You can still recognize the Sears Tower peeking out from the other buildings! It almost reminds me what it would look like on those subzero days when everything is icy! I love it!

Christell - I've been wanting to try one of the tutorials to change daylight into night. I like the sky color, it reminds me of a beautiful Chicago sunset. I'll have to check out that tutorial and try it on a few Chicago pics. Thank you!

Rusty - That looks so cool ... reminds me of those big posters you see advertising Chicago. I really like that effect when you break up a photo with separate frames.

Kimi - I love that Orton effect. You've made Navy Pier shine ... very nice!

Clara - I love it! Would you mind sharing with me how you did that. I really like that a lot!

suzib - Very pretty ... reminds me of a piece of silk that you've done batiking on. Is that how you spell it? That;s really nice!

You guys have all done a great job ... you're all so talented and remind me that I need to try new things!

Thanks for posting the challenge, Julie. Here's my not very original attempt.......used Bud's action and Edges action. It's been a long week at work, and my creativity is sorely lacking tonight.

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Sunny,
I love it! It reminds me of a advertisement for a beautiful sunny (no pun intended) day in Chicago for tourists. I'll have to try those actions out.

tinkerbell,
Your creation is beautiful!! Can I ask what process you went through to come up with that and also what kind of background you used with the writing. It is beautiful!

Julie,
Hope you like my black and white rendition of the Chi-town skyline.
Chas

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I could not resist a chicago skyline.