We prepared our talk for two weeks before hand and were rewarded with three great sessions. Of course there were a few students who were falling asleep (tip: if you're going to sleep, don't sit in the front row), but most of the students seemed interested and engaged. I was nervous before hand, and at times the talk got a little bumpy, but over all it was really rewarding when I could catch someone's eye and they were like, "hey, I'm listening to what you're saying, and I like what I hear."
Here are some of my favorite slides: