The original theme shows the poster, so I've possibly messed up somewhere.
Only you know what you have changed so I would suggest that you undo your changes until you find what is wrong - or start again with a "clean" copy of your style and re-apply the changes one at a time.
David Remember: You only know what you know and - you don't know what you don't know! My CDB Contributions | How to install an extension I will not be accepting translations for any of my extensions in Github - please post any translations in the appropriate topic. No support requests via PM or email as they will be ignored