Just got round to listening to these today, didn't find any of them hilarious, Cork Ringtone etc. made me think of a bad Simpsons episode which didn't help as I then had Police Chief Wiggum and Mo in my head when I was listening to it (Homer in a Jesus wig didn't work either)
The other two I thought were really good, particularly Gerry's Sounds, although Cupid caught me out a little as I didn't see the live arrows coming.
Man - despite his artistic pretensions, his sophistication, and his many accomplishments - owes his existence to a six inch layer of topsoil and the fact that it rains.