Where is the code for the copyright bit at the bottom of each page?

[nin97]

i'm not trying to get rid of it or anything

i'm trying to add an advertisment to the bottom of every page and i can't find where the code is...

could someone help me?

my site is:  http://www.vancouvermustangs.com/ [nofollow] and http://www.vancouverfbody.com/ [nofollow]

i want it to go right here:

[Kindred]

index.template.php

[Thantos]

function template_main_below() in index.template.php