"Yeah, or let them off their essay for the week," Mikey suggested. Some of his would definitely see that as a reward in itself. "But I don't think they'll be too hard to engage, emphasise the house rivalries a little and they'll do all the rest."
He didn't really know what to suggest on the Quidditch front. "Hey, what if we got some seventh years to stand in as assistants? I think they'd be capable of slowing falls and a bit of levitation. Giving some responsibility out might help morale as well." And hone their practical skills.