If all you need to do is read content from a URL, and you don't actually need any GUI, then why not just use the URL's openStream() method? Then you could just read from the URL into a StringBuilder or CharBuffer, or use a BufferedReader and read line by line...
Something like this:
Uh oh, we're definitely being carded. Here, show him this tiny ad:
Building a Better World in your Backyard by Paul Wheaton and Shawn Klassen-Koop