I want to add a banner directly underneath the nav bar but I only want it to display on category pages, I have added a static block in cms and I have had it display on all pages via using the header.phtml file (and just putting it at the end of the file) but I only want to to display on category pages so I can't use the header.phtml file as that is called on all pages and there is no category template that I can call it in that will display it where I want it. I have tried adding:
<block type="cms/block" name="top_images">
<action method="setBlockId"><block_id>top_images</block_id></action> </block>
into catalog.xml (in the layout folder of my theme) but that doesn't seem to show up.