How do I change the logo?
 

I've done this:

I put the URL in StyleVars. But it won't work.

What do I do?

Double check that you are editing the StyleVars for the style you want to change. Enter images/misc/logo.gif in the 'Title Image' box and make sure the logo.gif file is inside the /forum/images/misc directory.

Your style probably has not used the variable, but instead, has opted to hard code the URL. You will have to change the URL in the header template yourself in this case.

Sometimes it's just easier to change the graphic. Right click the graphic and Properties will give you the name. Change it, then upload the changed one to the same place.