You left out half of the info and that's why it's not "ticking". Here's an example of mine (NOTE - I have left some spaces using /// so that you can see what you are missing but don't leave spaces in yours)
[img] ////// http://tickers.TickerFactory.com /ezt/d/4;10765;405/st/20130405/e/Back+again./k/e3fa/event.png ///[/img]
