Header Resizing to match main table! (noob)
 

Hi everyone, ok I am jut getting used to all this so I apologise if I have missed the answer to this somewhere else, but I am at a loss.

Basically my header image does not resize the same as my main table. How do I correct this please.

http://www.metavercity.net/bmforum/

any help muchly appreciated! :)