Smudgy, i'm assuming that this is a quiz because some could be deemed a bit unfair as cryptic crossword clues.
42. still posing as dads at museum in disguise (6,8)
The words 'still posing' are dead wood.
46. choose to dawdle but do not dally at the big top! (10.5)
there is nothing to indicate that Picc sounds like Pick, a synonym for choose,although the quizzes themselves might explain some of this at the start.
hope that makes sense.