Please, reproduce on a show.t.o instance linked to a new wish created by you at:
This way you will increase your chances that you get some other people to look for the configuration issue that you might have (and yes, setting complex things like those might be tricky, I know)
In the meantime, you could consider applying the demo configuration profile (like a "macro") called "Dynamic items list", in a test tiki site of yours (in you local computer, or so). You can do so through the Profiles Wizard:
Good luck, and report back when you have your show instance online with your issue reproduced, so that we can try to help more.