You can install our site as a web app on your iOS device by utilizing the Add to Home Screen feature in Safari. Please see this thread for more details on this.
Note: This feature may not be available in some browsers.
Perhaps you changed the URL's for the images of the buttons? For example the "reply with quote" button works, but where it's image should be is just a red X. It's as if the link to the picture of the button is dead.