This is one of over 4625 effects generated by Filter Forge, a Photoshop plugin that allows you to create your own filters.
To open this filter, you must have Filter Forge 3.0 or higher installed on your computer. If you don't have it installed yet, click here to download Filter Forge
Inspired by Dali's painting of Gala that turns into a bust of Lincoln, this simple filter pixelates an image and can inset a pixelled version into it.
Dali Gala pixel pixelate