Starting from the top left and reading left to right the answers are:
1. Pi (pie) in the sky
2. A cut above the rest
3. Too (2) funny for (4) words
4. African Violet
5. I'll be there in a minute
6. Hop up and down
7. Painless operation (pain is missing)
8. Ready (red "e") for (4) anything
9. Up and Adam
10. Forgotten Heroes (4 got ..... 10 heroes)
11. Red letter day
12. Bad influence (the word bad in the letters fluence)
13. What's black and white and red all over
14. The start of something big
15. Yellow rose (rows) of Texas
16. Foul (fowl) language
I STILL WANT MORE WACKY WORDS!