name
getElements ( ) 
import prohtml.*;

HtmlList htmlList;

void setup(){
  //enter your url here
  htmlList = new HtmlList("http://www.yoururl.com");

  java.util.List links = htmlList.getElements("IMG");

  for (int i = 0; i < links.size(); i++) {
    println(links.get(i));
  }
}
description
This methods gives you an ArrayList with the elements you looked for.
syntax 
getElements(kind);
parameters
kind
String, kind of element you are looking for
returns
List, the found elements
usage
Web & Application
related