I commonly look for party tips which are unconventional and out of the box. I find that Youtube is definitely a wonderful source of such tips. All you will have to do is check out Youtube and do a search for "event suggestions" and you are going to find hours and hours worth of videos with various excellent suggestions. The problem is, who exactly has enough time to watch them all? Thus I am on a regular quest to gather some notes so as to save me and hopefully other people some time.
Here is an awesome video with some insane party ideas - https://www.youtube.com/watch?v=wUlJSgYGmFw
Hope you see several great tips for your next celebration on Youtube!