I usually look for party approaches which are unconventional and out of the box. I found that Youtube is undoubtedly a wonderful resource of this kind of ideas. All you have to do is head to Youtube and perform a search for "event ideas" and you will find many hours worth of videos with many terrific tips. The issue is, who has enough time to watch them all? So I am on a regular quest to compile some details to save me and also perhaps others some time.
Here is a great video with some crazy party ideas - https://www.youtube.com/watch?v=wUlJSgYGmFw
I hope you see several great tips for your next event on Youtube!