Windows Vista Desktop Themes

The parameters of the blue element:

Blending Options-Outer Glow

Blending Options-Bevel and Emboss

Blending Options-Gradient Overlay

Gradient's parameters:

Select the next tool to draw a flare on the sphere's surface:

Fill 0% on the layers:

Blending Options-Gradient Overlay

Gradient's parameters:

Make a copy of this new made layer and make use again of the Free Transform option to turn it over the way it is shown on the next picture, changing also the parameters:

Blending Options-Gradient Overlay

Using the same instrument, draw one more flare of white color:

Click to enlarge

Finished!