So cool that you’re promoting Beeminder in your Toastmasters speech!
Would comics work? I think there are some highly on-point SMBC comics, like this one:
And there’s this from xkcd:
Oh, and waitbutwhy could surely be mined for material. The author of that also gave a pretty hilarious TED talk:
And of course blog posts by @bee tend to have something hilarious in them.