updated README

@@ -23,6 +23,28 @@ Subscribe to the [project mailing-list](https://groups.google.com/forum/#!forum/
 
 Follow the CasperJS project [on twitter](https://twitter.com/casperjs_org) and [Google+](https://plus.google.com/b/106641872690063476159/).
 
+## Show me some code!
+
+Sample test to see if some dropdown can be opened:
+
+```javascript
+casper.start('http://twitter.github.com/bootstrap/javascript.html#dropdowns', function() {
+    this.test.assertExists('#navbar-example');
+    this.click('#dropdowns .nav-pills .dropdown:last-of-type a.dropdown-toggle');
+    this.waitUntilVisible('#dropdowns .nav-pills .open', function() {
+        this.test.pass('Dropdown is open');
+    });
+});
+
+casper.run(function() {
+    this.test.done();
+});
+```
+
+Run the script:
+
+![](http://cl.ly/image/112m0F2n162i/Capture%20d%E2%80%99%C3%A9cran%202012-10-19%20%C3%A0%2016.37.15.png)
+
 ## Contributing
 
 ### Contributing code