on the site http://drcarney.com I went to look at my profile and noticed that some videos I included in a reply were resized as if my layout is a two column layout. I have not been able to find the setting to change this and wonder if you can point me in the right direction.

Here is the URL for me: http://www.drcarney.com/component/komento/profile

This URL shows me my profile: Sean Carney

I got to my profile by clicking on my face image from the following page:
http://www.drcarney.com/blog/entry/danger-will-robinson-nutrition-facts