Can you please tell me why the images are not appearing in the feed on the following page?

I have used this module and it works great on another site of mine, but this one is having issues displaying the images.  Please advise.

www.marine.usf.edu/c-image/index.php/education-and-outreach/teacher-at-sea

Here is the raw rss feed:

adventuresatsea.blog.usf.edu/?feed=rss2

Thanks!