I normally hunt for event approaches which are out of the ordinary and out of the box. I learned that Youtube is generally a terrific resource of these tips. All you need to do is head to Youtube and perform a search for "event tips" and you will see several hours worth of videos clips with numerous fantastic suggestions. The trouble is, who exactly has enough time to see them all? Thus I am on a continuous quest to compile some notes to save me and also perhaps other people some time.
Here is a great video with some crazy party ideas - https://www.youtube.com/watch?v=wUlJSgYGmFw
Hope you find several great ideas for your next party on Youtube!