gistfile1.js

var http = require('http'),
  fs = require('fs');

http.createServer(function (req, res) {
  var user = 'paulfryzel';
  var path = '/Users/' + user + '/Desktop/newapp/';
  if (req.url === '/css/img/BG.png') {
    fs.readFile(path + 'css/img/BG.png', function (error, content) {
      if (error) {
        res.writeHead(500);
        res.end(content, 'utf-8');
      } else {
        res.writeHead(200, {
          'Content-Type': 'image/png'
        });
        res.end(content, 'utf-8');
      }
    });
  }
  fs.readFile(path + 'index.html', function (error, content) {
    if (error) {
      res.writeHead(500);
      res.end(content, 'utf-8');
    } else {
      res.writeHead(200, {
        'Content-Type': 'text/html'
      });
      res.end(content, 'utf-8');
    }
  });
}).listen(3000);