I had a play earlier but it’s just not working, here’s what I did ..

Uploaded Video :

then I jumped over to the Youtube Remix added a Few thought bubbles like “hmmm this looks nice”, etc etc and saved it out you can see it in my youtube account http://www.youtube.com/user/DaveNSEO the second Video named Kid’s Thoughts .. if you click that video you get nothing at present

DaveN