Shortcode thumbnails in IE8 getting squished

Only in IE8 that I can tell. Latest version of Chrome, FF and IE are all ok.

The thumbnails are getting squished horizontally (tall and thin).

Here is the page: http://www.jimiesstreetrodinteriors.com/my-works/

Thanks for any insight into how to fix.

Bob.

http://ww.wp.xz.cn/extend/plugins/wp-category-posts-list/