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IMO the brushes on the tower don't work. The hair effect is good, but it's sharp at the top & blurry lower. It all should be as sharp as the top part.

Good job on your entry

My opinion:

You cropped too close to the tower, and not treated the image as a scene which would work alot better!?....

If those are stars then I think adjusting the levels on a noise layer would give a better effect, you could then highlight the ones you wanted to pop out with the standard star brush set to screen or lower the opacity slightly - or just leave it - totally your own taste

If they are glow bugs, a soft brush set to screen, then white also set to screen to intensify the inside of the glow.

I second what CMYK said about the hair.

EDIT: you changed the hair, it looks worse than before! keep the original as a base and clone in sections from the top, with a soft brush so it's a hint at detail along the length!

Much better now...GL author.

I really like your grass and bugs

that's make me remember my lovely story..
"Rapunzel"
good idea !!