If speaking to a paper, consider the speech first and distribution after. If audience members have the paper to hand while the presenter is presenting, they will focus on the paper, not the speaker.
‘AH’s’, ‘um’s’,’er’s’, and other speech glitches can happen unconsciously. Be aware and register them subconsciously as you speak. If aware, you can program them out of your speech. Try it – it works!
Using ‘metaphor’ and ‘anecdote’ to illustrate the point of discussion can be a very useful and identifying tool. “Likening phenomena unto…” using these illustrations identifies matter with audience.