As is often the case, I seem to be stuck on clues which don't seem to have troubled anyone else, although I have already solved those asked about in here. I don't know what that makes me, but here goes:
7a: "Keen to know if America's left unusual object. (5) I have ?u?i?
6d: "Fancy gathering for the opening stream (5) Is this frill?
Thanks in advance. barrym