Made with Adobe Photoshop Elements 2.0. Translatable.
Level: Easy
1. Crop your image. Filter >Sharpen >Sharpen
2. Duplicate the base. Set it to Screen.
3. Add a new layer. Fill it with
Set it to Overlay 100%.
4. Add a new layer. Fill it with
Set it to Lighten 100%.
5. Add another layer. Fill it with
Set it to Overlay 35%.
6. Add a new layer. Add some brush like this one
on it.
And that's it. You're done.
Well really simple! ^_^