How to remove the installed skin?

I installed a skin from hitskin.
I wanted to input my own background.
it only shows when i view it the pics management page.
but when i go back to my forum its still the same skin.
how do i remove the skin i installed?

i can take pictures of how i see it if you like.

my forum url is:; http://secrethangout.forumotion i wanna edit it before i recruit.

Is your forum version is PunBB ?

yes [:

Well try this Go to your ACP >> Display >> Colors >> CSS stylesheet >> add or find this code

Code:

#pun-head #pun-navlinks {
padding: 0.5em 1.1em 0.6em 1.1em;
background-image: url('http://yourimagehere.jpg');
background-repeat: repeat-x;
border-color: #dddddd;
}

you can change your background image by adding the image address change the "http://yourimagehere.jpg" without the quote to your image address you desire ...

it only shows a small strip of the background i want o: