Turn any photo into a dot grid artwork with these Photoshop actions. You'll get great results with dots that change size. They get larger in brighter areas and smaller in darker areas. Free download available.
- Humming Bird - Shutterstock - However any stock photo can be used as its only for reference and wont be seen in the final result.
- Smoke - Shutterstock - Again something you can find for free on sites like Free Stock Photo Exchange or Deviantart.
- Concrete Texture for Background Shutterstock - However free sites can offer similar results.
- Metal textures From CGTextures, a great site for high quality tetxures.
- Bokeh Textures - Feel free to use the one you like best in combination with your color scheme.