I enjoy sifting through TEDTalks and subscribe to their YT channel:
https://www.youtube.com/user/TEDtalksDirector
Something you might also try to see if you are interested in hearing creative/inspirational ideas:
http://99u.com/videos
http://www.thedolectures.com/talks/
What comes out of your head is only as good as what you put into it.
ADG