It’s a pretty good idea, but it needs some more work.
I would suggest adjusting the angle of the monitor in the reflection, because it looks pretty off. The shadows look pretty unrealistic. It would help if you isolated Nicole as a layer and painted the shadows behind that layer. Try to avoid making the shadows too dark in contrast to the scene.
Instead of making the smoke from scratch, I would suggest looking for some smoke images that are easy to isolate. Here’s a tutorial that mentions how to do so.
It uses gimp and not Photoshop, but I’m sure you get the point.
shadows too dark.
She looks kinda creepy.
I don’t think you should make shadow effects behind her left arm. It almost reminds me of certain video games that has bad SSAO filter.