Here is a page that will include up-to-date current sites that provide a variety of means to create and share presentations. As new sites are found and linked, previous ones will be moved to the Archives Page
– this is a digital poster making site
– this is the text-to-video site that was used to make the Geico commercials, “if you can type, you can make movies”
– here is a site that lets users create a short 3-panel comic strip, with variable characters and backgrounds.
Needles from the Haystack 
Cool poster site!
I have seen students in your classroom using Glogster to create some cool projects. Students are engaged, and comfortable using these tools. Kudos to you for creating a site that shares these tools with others.