PImage slu;
int w,h;

void setup() {
  size(408,300);  // take advantage of our knowledge of the size

// Can either load an image stored locally, as follows:
//  slu = loadImage("campus4.jpg");
// Or can load an image from a URL as follows:
  slu = loadImage("http://business.slu.edu/uploads/2012/11/08/slu-homepage-campus4.jpg");

  w = slu.width;
  h = slu.height;
  image(slu, 0, 0);
}