8+ two LED functions off one pin

Hi everyone. Check out my build of a 2 LED Module that has 8+ functions off only one Arduino pin.
Watch my YouTube video at: http://www.youtube.com/watch?v=8uZndVTIc24&feature=share&list=UU0_hiu0q4bHnGHtiJcG4sDw

/* Module_2_LEDs 17 May 2014 JDS  :)
 To make this module:
 1) 1" X 1.5" perf board
 1) male 3 pin header
 2) female 2 pin headers
 1) 220 Ohm reststor
 1) 74LS04 IC or any inverter IC like 74LS02 etc.
 2) LEDs 

 Wireing the module:
 3 pin male header pins are:
 Signal, 5 Volts, Ground.
 Connect the Signal pin to a inverter input and one pin
 of each 2 pin female headers.
 Connect the inverter output to the other side of the
 two female 2 pin headers.
 Connect the 5 Volt male header to the IC pin 14 of 74LS04
 Connect the Ground male header to the IC pin 7 of 74LS04.
 Plug 2 LEDs into the 2 female 2 pin headers, one
 cathode, and on Anode, to the signal side.
 That's it!
 Then connect the Signal to Arduino pin 3 'in this example'.
 Connect 5 Volt pin to Arduino 5 Volts
 Connect Ground pin to Arduino Ground.
 Then load and run this program.
*/
int i;
int j;
int SignalPin = 3;
void setup() {
  pinMode(SignalPin,OUTPUT);
  Serial.begin(9600);
}
void loop() {
  Serial.println();
  Serial.println("JDS LED Module");
  Serial.println("by: Jim Steinbrecher");
  Serial.println("All off one Arduino pin.");
  Serial.println();
 
  digitalWrite(SignalPin,HIGH);
  Serial.println("One LED on");
  delay(5000);
 
  digitalWrite(SignalPin,LOW);
  Serial.println("Other LED on");
  delay(5000);
 
  Serial.println("One LED Flashing");
  digitalWrite(SignalPin,HIGH);
  for (i = 1; i < 25; i++)
  {
  pinMode(SignalPin, INPUT);
  delay(100);
  pinMode(SignalPin, OUTPUT);
  digitalWrite(SignalPin,HIGH);
  delay(100);
  }
 
  Serial.println("Other LED Flashing");
  digitalWrite(SignalPin, LOW);
  for (i = 1; i < 25; i++)
  {
  pinMode(SignalPin, INPUT);
  delay(100);
  pinMode(SignalPin, OUTPUT);
  digitalWrite(SignalPin, LOW);
  delay(100);
  }
 
 
  Serial.println("Flashing LEDs");
  for (i = 1; i < 25; i++)
  {
  digitalWrite(SignalPin,HIGH);
  delay(100);
  digitalWrite(SignalPin,LOW);
  delay(100);
  }
 
  Serial.println("Both LEDs on");
  for (i = 1; i < 2500; i++)
  {
  digitalWrite(SignalPin,HIGH);
  delay(1);
  digitalWrite(SignalPin,LOW);
  delay(1);
  }
 
  pinMode(SignalPin,INPUT);
  Serial.println("Both LEDs off");
  delay(5000);
  pinMode(SignalPin,OUTPUT);
 
  Serial.println("Flashing LEDs with PWM");
  for (i = 1; i < 10; i++)
  {
  for (j = 1; j < 255; j++)
  {
  analogWrite(SignalPin, j); 
  delay(2);
  }
  for(j = 255; j > 0; j--)
  {
  analogWrite(SignalPin, j); 
  delay(2);
  }
  }
}