v2.2.1 – image thumbs not sized properly

Hello,
I’m struggling with an issue that the Pinterest thumbnails are not sizing properly in my sidebar widget. You can view the page here:
http://www.interiorsofdistinctiongb.com/contact-us/

I’m open to suggestions for trying to resolve the conflict.

Thanks in advance for your time.

http://wordpress.org/plugins/pinterest-rss-widget/