Resource 15 has an image in it I used as the banner. This works fine on each of my pages bar one where, for whatever reason, it is showing the first child of the parent resource instead (resource no. 80)
That is an extremely expensive method of managing a banner image! I would think that a chunk or a snippet or an image type TV would be much more appropriate.
You need to specify the parents property as -1 to prevent it from including child Resources from the current parent in addition to the one( s ) you specify in the resources property: