adding html code to header

[naughtyforum]

hi i want to add html code for my banner on my gallary.
i want it to show at the top (header) of each page.
ive looked at a few files and cant seem to find the right one to edit.
if someone could help me that would be great thanks a million

[Nibbler]

Regular html can be added into your theme's template.html file.

http://coppermine.sourceforge.net/faq.php#customHeader