results page breaks my page design

Hi -- Great module! However, even though on the admin config page, I have the search results frame width set very low (first 400, then 350, now 300), the results page still destroys my page design, it's so wide. The middle, content portion of my design is 490 px, and I have a table nested therein set to 98% width (to provide slender margins), so there really can't be anything there wider than 480px -- which I figured would allow even the widest standard banners -- but somehow the CSE isn't getting the news that it's supposed to be only 300 wide -- or 400, or whatever I set in Drupal's module admin page.

Any suggestions?

Thx!
Andria