Arduino first steps with a LPD8806 LED Belt

#include "LPD8806.h"
#include "SPI.h"

// Example to control LPD8806-based RGB LED Modules in a strip!

int dataPin = 2;
int clockPin = 3;

// Set the first variable to the NUMBER of pixels. 32 = 32 pixels in a row
// The LED strips are 32 LEDs per meter but you can extend/cut the strip
LPD8806 strip = LPD8806(32, dataPin, clockPin);

void setup() {
  // Start up the LED strip
  strip.begin();

  // Update the strip, to start they are all 'off'
  strip.show();
  randomSeed(analogRead(A0));
}

void loop() {
  for(int j=0; j < random(100,200); j++ ) {
    int i = random(0,strip.numPixels()-2) + 1;
    strip.setPixelColor(i-1, 4,0,8);
    strip.setPixelColor(i, 127,127,127);
    strip.setPixelColor(i+1, 4,0,8);
    strip.show();
    delay(5);
    strip.setPixelColor(i-1, 0,0,0);
    strip.setPixelColor(i, 0,0,0);
    strip.setPixelColor(i+1, 0,0,0);
    strip.show();
    delay(random(10,100));
  }
  for(int j=0; j < random(1,5); j++ ) {
    for (int i=0; i < strip.numPixels(); i++) {
      strip.setPixelColor(i, 127,127,127);
    }
    strip.show();
    delay(15);
    for (int i=0; i < strip.numPixels(); i++) {
      strip.setPixelColor(i, 0,0,0);
    }
    strip.show();
    delay(150);
  }

}