The answer to each clue is a saying that includes an animal in it
e.g. Can’t sit still = having ants in your pants
Having no impact = Like water off a duck’s back
No letter or word count given
1) Very small in stature
2) It doesn’t fit anywhere
3) To sell vocally in the market place
4) Having the right skills for the job
5) Discuss an idea informally or casually
Wow - thanks for the quick replies. What a great site I've found.
Not sure about 2) and 4) as I have fish out of water for "Feeling uncomfortable in this situation" and "like a duck to water "Takes to something naturally"