Hullo, what's all this then?
(Clicking enlarges the pictures, but isn't required for solving the puzzles; Imgur's automatic cropping managed to keep the essential bits in the smaller pictures too. The bigger images may have a better resolution though.)
Hint for puzzle 6:
Apart from 6, everything as already been solved, so here's a hint:
The answer to 6 is an older one, and no longer belongs with the rest of the answers in many places. Also, if you live in the US, you may be used to a longer name for the first part.
Second hint for puzzle 6:
Since reading the music in a European way is a bit difficult, you can also search wikipedia for more clues.