How to get thumbnail of SoundCloud using API?

Question

For example:

http://soundcloud.com/mhiqu3/sets/heretik/

How to get the thumbnail url: http://i1.sndcdn.com/artworks-000004897289-5r6ws9-large.jpg?1767646

Answer 1

also, if you replace the "-large" in the url string with "-t300x300" or "-t500x500" you will have access to the larger formats.