Podcasts and Podcasting is a great tool to develop your listening skills and your speaking skills. In addition, you need to use reading and perhaps in creating your own podcasts, you will also use some writing.
PodOmatic (http://www.podomatic.com) is a free and easy web tool for listening to podcasts and creating your own. Explore it a bit.
This PodOmatic review in the form of a PodOmatic podcast explains the website.
Watch for more about podcasts coming soon to this blog.