1.
Crank up ipodder (link above to download). Other applications
will work similarly, though specific commands will vary..
2.
Go into "Tools", then select "Add a Feed... "
3.
Paste the location of the feed- eg, http://www.exaltron.com/blog/podcasts.xml
-into the prompt as shown in the screenshot

4.
Lay back and get down to the technotopian sounds of exaltron radio.
All exaltron, all the time.