Thanks Tung for starting the thread, and Kevin for making the banner! And yeah, I am really excited to see the entries for this year's competition too. ^^ I haven't decided what I'm going to carve for my entry though, I need to re-watch the episodes.
As for this being the last contest.... NO WAY! The love for carving Avatar characters into the sides of pumpkins and rutabagas and what-have-you will live on far longer than the end of season three, and as such so will the contest. As long as I'm able to run the contest and people are willing to enter, the competition will live on.