Help!! i can’t see my logo

Hi everyone,
I searched all the posts yet i can’t seem to resolve uploading my logo.
1. I have netfirms has hosting site
2. i went to my filemanager in netfirms, clicked on my blog name, went to “content” then “themes” then “images” i then uploaded my image LOGO.gif. i can definitely see the logo in netfirms under wordpress theme/image
3. i went to wordpress clicked on presentation then themes, then theme editor entereed the folowing under header
background: #ffcc66 url(‘images/LOGO.gif’) no-repeat bottom center;
}

4. i click on update then view site but my logo is not there.
HELP me please…