After looking over the Internet for Podcast solutions for a client of mine who is in her 70's, one solution I recommend her using is BlogTalkRadio as this does not require her to save an audio file and upload it manually to another location. Instead, BlogTalkRadio provides its users with the option of calling into a number, enter a pin and then once the show is "Live", you are then able to do your own online radio show. Once the show is wrapped up, you can turn this broadcast into a podcast. Simple solution without all the craziness.
More information on how to create a podcast using BlogTalkRadio can be found on their blog at Host Tip of The Week: Extend the Reach Of Your Online Radio Show With iTunes.
You can sign up for a free trial with BlogTalkRadio by clicking on the image below: