source code:

 BImage bg;

void setup()

{

size(200,267);

bg = loadImage("ghost1.jpg");

}

int a;

void loop()

{

background(bg);

a = (a +100)%(width+32);

stroke(26, 24, 0);

line(5, a, width-30, a);

line(135, a-20, width, a-32);

line(20, a+20, width-30,a);

line(100,a+30,width,a-30);

line(0,a,width,a);

line(150,a-100,width-100,a-100);

}