Resize Sidebar Widget

[sandym]

How do I resize or center a sidebar widget? For example, I want to use a Kayak.com widget on my site. I have added two types of widgets. The first one needs to be resized to fit and the second one needs to be centered. The widgets can be seen at http://www.themauipulse.com Following is the code used to create the widgets:
Top Widget (Needs to be resized)
<script src="http://www.kayak.com/widget/?ai=Plan%20Your%20Visit&p=&cars=n&cruises=n&deals= n&vacations=n&l1=Hilton%20Head%20Island%2C%20SC&l2 =Hilton%20Head%20Island%2C%20SC&size=200x200"></script><noscript><strong>Compare hundreds of travel sites</strong> at once to find the deal that's right for you <a href='http://www.kayak.com/in?&url=/' target='_blank'>on KAYAK</a></noscript>

Bottom Widget (Needs to be centered)
<script src="http://www.kayak.com/widget/?ai=Plan%20Your%20Visit&p=&size=200x258"></center></script><noscript><strong>Compare hundreds of travel sites</strong> at once to find the deal that's right for you <a href='http://www.kayak.com/in?&url=/' target='_blank'>on KAYAK</a></noscript>

Thank You.