Creating a Game Menu and a Particles Effect: An Angry Birds-like Game, Part II - Learn GameSalad for iOS: Game Development for iPhone, iPad, and HTML5 - page 210

 Color: pick a blue and set opacity to 50%
 Color changes to:
 Blending: Normal
 Target color: pick a yellow green and set opacity to 50%
 Duration: 1
 Initial Rotation: random(0,359)
 Angular Velocity: 50
 Image: star
Drag and drop another Particles behavior and change the settings to (or
duplicate the previous behavior by dragging it while pressing the Option key)
 Number of Particles: 200
 Particle Startup Time: 1
 Particle Lifetime: 1
 Emitter Offset: 0 & 0
 Direction: random(0,359)
 Relative to: actor
 Speed: 100
 Size: 20
 Size changes to:
 Target Size: 0
 Duration: 1
 Color: pick a green and set opacity to 50%
 Color changes to:
 Blending: Normal
 Target color: pick a yellow green and set opacity to 50%
 Duration: 1
 Initial Rotation: random(0,359)
 Angular Velocity: 50
 Image: star