PFont font; 
PImage ff;
void setup() { 
  size(420, 200);
  //// load  font 
  font = loadFont("BookmanOldStyle-18.vlw"); 
  ff = loadImage("forest.jpg");
  textFont(font); 
} 

void draw() { 

  background(120); 


  int aa = millis()/1000;

  //a couple of exemplary conditionals
  if((aa > 5) &&( aa<26)) {

    image(ff, 20, 80);


  }
  if((aa > 11) && (aa<25)) {
    text("OOH NEARLY LUNCH!", 10, 45);

    //could also be drawing an image etc
  }

  if((aa > 4) && (aa<10)) {

    filter(BLUR, 12); //HAhah!! works

  }

  text(aa, 10, 80);
  image(ff, 200, 20, 50, 50);
  //this image doesnt blur
}