So, get your dusty, unused grill out of the shed, throw some burgers and dogs on it, and have a nice cold one, and have a look at our new 3D Fireworks Screensaver while your at it. Introducing 3D Fireworks Screensaver. Adjust how many fireworks you want to launch. Adjust the number of colorful particle explosions. Show your patriotism and choose Red/White/Blue or choose multicolor explosions. Enable/Disable Sound.