Pixel Dust Effect[/color]
This can be used on signatures, or Firework on PhotoManipulationsm, or similar.
Step 1: First we're going to have to make a custom brush for this. Open the Brushes Tab and Reset the Brushes to default. Choose the first 8PX brush, and modify the "Brush Tip Shape" settings to the following:
Step 2: Change the "Shape Dynamics" settings to these:
Step 3: Now change the "Scattering" settings to these:
Done! Here is a quick outcome: