I swear I hadn't intended for three consecutive comics to feature Derpy, awesome as she is. My next comic won't.
I did this in Inkscape, the SVG is here: [link]
Interestingly, this means I've done a vector of all the Mane Six!
If there are any mistakes in there, do tell.
Here's an alternate script I thought up:
"Hello, is the Mareo's Pizza? This is Derpy. I'd like a medium pizza, extra olives, and no peppers. Delivery to my-"
"...make that a large."
"Derpy, what are you-"
"NO! MY PIZZA! NONE FOR YOU!"