i always try to make my presentations interactive and have the audience involved. i've found it to really loosen up the vibe...and it also gets them more engage

i always try to make my presentations interactive and have the audience involved. i've found it to really loosen up the vibe...and it also gets them more engaged! as another suggestion, you might want to try thinking of everyone in their underwear. don't be too uptight/serious ;) best of luck!