The one thing that inspires me more than anything else is music. In fact, my first NaNoWriMo story has its very own soundtrack.
Sometimes I would be inspired by a song I heard on the radio, other times I would put my iTunes on shuffle and would write down the first 20 or so songs that played.
I am always on the hunt for new-to-me-music. I love looking at Spotify playlists and asking Siri what song is playing while I'm out shopping.
One thing I like to do is to make a soundtrack by putting my MP3 on shuffle and these answering questions/statements in the order they play with them. Here is an example: