This page by Kelly Fitzgerald, teacher, has a few good step by step presentations on different ways you can use Youtube - from uploading videos and creating playlists, to making slide presentations with music.
Great way to add audio to digital presentations without having to record the entire presentation at once. Recordings for each slide are saved one at a time.
Make a video slideshow using your photos and audio files with this useful site. [Be aware - Not all user generated content is suitable for children]
http://ictmagic.wikispaces.com/Photos+%26+Images
We have featured the amazing, free education blogging site, Kidblog, in a series of videos this month. Although each video is certainly helpful on its own, this Slidebook, a new Slide Rocket tool, makes teaching and learning Kidblog easy.
Prezi is a web-based application that allows you to make pretty stunning presentations. What makes Prezi somewhat unique is that there are no slides. You essentially have one big canvas on which to place your text, images, video, and more. However, that is just the start of it...