Use on a new layer after that a brush that can be downloaded here: http://www.deviantart.com/deviation/15260491/
?qo=32&q=by%3Aspiritsighs-stock&qh=sort%3Atime+-in%3Ascraps
to picture a small wing:

The little fairy photo effects in adobe Photoshop cs

Place this wing on the girl's head (Ctrl+t):

The little fairy photo effects in adobe Photoshop cs

Then make use of the next combinations: Edit – Flip Horizontal and Edit – Flip Vertical to represent out of the wings very original ears:

The little fairy photo effects in adobe Photoshop cs

The wings' edges that touch the girl's hair must be processed with Eraser Tool of a big size and smooth edges to make them unclear on the touch place.

The little fairy photo effects in adobe Photoshop cs

Use the Pen Tool to create on her head the antennas, choosing in the Brush Tool adjustments a brush Hard Round with 3-6 px.

The little fairy photo effects in adobe Photoshop cs

Select after that Brush Tool to represent on the antennas' endings a bulge:

The little fairy photo effects in adobe Photoshop cs