If you are not already signed in to Youtube, you need to sign-in with your Google Account.
On the top right corner there is an UPLOAD button, click it.The even more good news is that you can do this directly from Youtube without using any other third party tool to convert your images into a video format. Find out how to upload photos to youtube and share them as a picture slideshow! Yes, youtube is not only for videos but you can use it to upload your photos as well.
