Now that you have installed it, do as below:
1. Open VLC media player.
2. From the menubar go to View –> Playlist… which takes you to Playlist window
3. From the Playlist window menubar options go to
Manage –> Services Discovery –> then select “shoutcast TV listings” to Watch TV or “shoutcast radio listings” to listen to Radio by adding that respective item to your Playlist
4. You will be getting list of channels for each service item from which you can choose your desired one to play for you. To do that just right-click on the channel and click play.