Widgets are not coming properly in the sidebars of Q&A Page

Hi WPMU Experts,

I have installed Q&A - WordPress Questions and Answers Plugin on my website. But the widgets in the sidebars are not coming properly, first Q&A Widget which is popular user is coming at the right side but rest of the other Widgets (e.g. CATAGORIES) are getting displayed at the left hand side bottom,

I request you to have a look on the following pages:-



Thanks for your help.