Hi,
Thanks for replying.
I'm using the s3Slider, and following the instructions given for it by user Get Em Fast under the thread Flash Banner posted today.
I've followed all the advice but still no luck.
One thing that wasn't mentioned was which folder the slider pulls the images from, so I have placed the images in the template images folder as well as the main includes folder just in case.
The instructions also said to place the HTML in the define_main_page.php file, but didn't specify whether this should be the entire html file or just the slider snippet.
So I could be making mistakes in lots of places.
I'm developing the installation on the XAMPP server before uploading it so I haven't got a url for you to have a look at yet.