I often search for event tips that are unconventional and out of the box. I think that Youtube is definitely a good resource for such ideas. All you need to do is visit Youtube and do a search for "event tips" and you are going to see several hours worth of online videos with many wonderful suggestions. The issue is, who exactly has time to view them all? So I am on a continuous quest to put together some notes so as to save me and also perhaps others some time.
Here is an awesome video with some insane party ideas - https://www.youtube.com/watch?v=wUlJSgYGmFw
Hope you see several great ideas for your future celebration on Youtube!