The two remaining ones I don't understand (and may have got wrong!) are:
9a It could go off with a bang in Hollywood this evening (6)
I have "this evening" as it might be written in Hollywood. I don't see why, except three of its letters might be explosive.
7 Commonly used in Frankfurter dips? (2,3,4)
Why "Frankfurter"? I haven't been able to find a relevant German translation of the last word.
..and surely this clue is wrong
10a Allowed bill to add up, so this wine sent back (8)
The reversal indicator isn't in the right place