I often search for event ideas which are unconventional and out of the box. I think that Youtube is undoubtedly a terrific source of these tips. All you need to do is browse through Youtube and perform a search for "party ideas" and you can find several hours worth of videos with lots of great advices. The problem is, who has enough time to view them all? So I am on a continuous mission to collect some notes so as to save me and perhaps others some time.
Here is a great video with some crazy party ideas - https://www.youtube.com/watch?v=wUlJSgYGmFw
I hope you find a number of great tips for your upcoming event on Youtube!