Can't get Featured Image import to work

I can't seem to get the Autoblog's Featured Image import add-on to work. I am using a valid RSS feed and was hoping you could help me fix this issue so I can utilize this plugin.

http://abcnewsradioonline.com/music-news/rss.xml?categoryId=4750090

That is the feed url that I am using. Thank you for looking into this.