Podclub is my favourite. 10-15 minutes podcasts, different levels:
A2-B1:
http://www.podclub.ch/sendungen/owen-in-china-english
http://www.podclub.ch/sendungen/gerry-s-diary-english
B2 and above:
http://www.podclub.ch/sendungen/gerry-s-news-digest-e
They also have an app for Android and iPhone