1. Open the photo you would like to use.
2. Sharpen the image.
3. Create a new raster layer, and fill it with this texture from Ianthinus at Live Journal.
4. Set the layer to "Lighten" at 100%
5. Create a new raster layer, and fill it with this gradient.
6. Set the layer to lighten from anywhere between 10%-100%. I set mine to 53%.
6. You are done!
Here are some other icons made using this tutorial.
Tutorial written by Christine