Hee hee.......I know I sound greedy now, but here's an idea for a great avatar.
From episode 6,
Timeframe, 05:45-05:47.
Description, Yuuichi yawning. Bordered, non-stop lion roar.
EDIT: And try looping 18:10-18:17, where Ayu runs back to Yuuichi, hits him repeatedly saying "Baka baka baka baka baka baka", then runs away, rinse and repeat. Probably not AS safe, but for sure it would be amusing.