How to fix the description view on Marketpress

I am a rookie to WPMU but have just absolutely love this software. I have recently created a store website http://www.MiracleValleyCrafts.com and have noticed under the main store page, that some of the products show the excerpt from the description just fine, then others like the "tiered bench" have the description looking weird. Could you please help point me in the right direction to fixing this? Is it my template or something in the plugin?