Assuming this is your podcast: https://itunes.apple.com/us/podcast/above-firehouse-podcast-podcast/id452181468?mt=2
iTunes has this as your podcast RSS feed: http://feeds.feedburner.com/abovethefirehouse
FeedBurner adds a completely different dynamic to podcast feeds. Depending on how you have FeedBurner setup, it may be using the SmartCast feature replacing the iTunes image from your original feed (from PowerPress) with one you configured years ago.
My recommendation: Go into FeedBurner for your account and disable Smartcast feature if it is enabled. also when in your FeedBurner account, find out exactly what the feed URL is that it is pulling from. The “» Podcast Feed” added to the title is a n indication to me that it may be using a category feed URL rather than a podcast only feed. What ever feed URL you find in your FeedBurner account, please reply with what it is here so I can give you further instructions.
