[Plugin: Amazon Product In a Post Plugin] How do I fix the formatting?

As you can see here

http://www.newschoolaudio.com/studio_gear/interfaces/sonuus/sonuus-i2m-musicport-instrument-computer-interface/

the formatting is wrong and I can’t figure out how to fix it in the options page.

Any suggestions?

http://wordpress.org/extend/plugins/amazon-product-in-a-post-plugin/