replace .jpg template header image into swf

[mr.gio]

oh man guys i have a problem i have a mambo template and i have a nice flash banner i want to put up but its not working for me .....
i have searched a bit and found out that i have to add a code for it to point to flash web site go get the player and i was wondering if anyone could help me....PLEAAAASE I BEG U SOMEONE HELP ME ....
http://gio.dyndns.biz

header stays blank if i change the template_css.css with both of this for example:

.header {
height: 111px;
background: url(../images/mambo_header.html) no-repeat;

Or with this:

.header {
height: 111px;
background: url(../images/mambo_header.swf) no-repeat;

[mr.gio]

anyways guys thx i have figured it out by my self what was i doing wrong ...
i have finally got my banner up that was created by seferoid lionheart
every one is welcome to check out Mr.Gio's website with its new banner http://gio.dyndns.biz