The banner plugin is part of the core plugins so you do not need to go further than the administrative interface to find it. It is always active, even if you are not presently using the feature.
There are several ways to advertise with banners on your site. One of the things I have disliked about some books is that they tell you how to do the obvious but leave out the information that might be more useful. Keeping that in mind, we will cover how to use the banner plugin but, since we are using a theme that does not have a banner included, we are going to begin this section with a quick lesson on code modification.
For our veterinarian site, the Kubrick theme is perfect except that it does not have a banner. Fortunately e107 has made it easy for us to add a banner. We accomplish this by adding what is known as a shortcode. For those who may have done merge letters in word processing programs a shortcode is similar to a merge code. For those...