It is a good looking site, but remove the high number of widgets or sidebar items on the left sidebar as it looks very bad. If you must have them widgets consider using the right sidebar as well At the moment the bottom of your page looks like this
your site is looking very nice,but try to change its format and make it more nice as we can say beautiful site.and adjust ur ads at sideline.
You have too many elements on your page that seem to belong elsewhere; put a little more space and let more air between your page elements.