You can now download two audio guides to London's green heritage. These are suitable for playing on portable MP3 players while you visit the sites. The guides will appear under the artist 'LPGT'.
To avoid the inconvenience of downloading a large number of individual tracks, you can download a whole walk using a download manager, such as Free Download Manager. Explore one of these sites and select the tracks you wish to download.
http://www.londongardenstrust.org/audio/bloomsbury
http://www.londongardenstrust.org/audio/chelsea
Subscribe to one of the following podcasts:
http://www.londongardenstrust.org/audio/bloomsbury/rss.xml
http://www.londongardenstrust.org/audio/chelsea/rss.xml
You will find the required function under 'Advanced' in the iTunes program.
Click on one of the tracks listed here with the left mouse button. You need to have a program capable of playing MP3 files (e.g. Windows Media Player).
Click on one of the tracks listed here with the right mouse button. Click on 'Save Target As' (Windows) or 'Download Linked File' (Macintosh). You will probably want to save it in 'My Music' (Windows) or on your portable MP3 player.