Two prizes clearly need to be changed as they are useless items after completing long and difficult quests!
The extra Ghost Knight coin is a slap in the face after saving up 80 over a month.
Just change it to a gem or something.
Surely that won't mess up the game enconomy and you'd have a lot of happy players.
And the final community prize is completely worthless to 99.99% to players.
There's plenty of Halloween decorations from years past you could recycle quite easily.
And would nice for new players who weren't around back then to be able to collect.