I frequently hunt for party tips that are unique and out of the box. I think that Youtube is undoubtedly a great source for these sorts of tips. All you have to do is browse through Youtube and perform a search for "event tips" and you are going to find hours worth of videos with plenty of good suggestions. The problem is, who has the time to view them all? Thus I am on a regular mission to compile some notes to save me and also perhaps other people some time.
Here is a great video with some insane party ideas - https://www.youtube.com/watch?v=wUlJSgYGmFw
I hope you see several great ideas for your upcoming event on Youtube!