We already knew Websites such as Slideshare and Slide, to add pictures or upload your presentations. We now have Prezi ; a simple and original way to create presentations from your paper to an online form.
Check out Blacksoul's article : Nueva manera de hacer presentaciones : Prezi
and Creative Education's one : Using Prezi in the Classroom
Go further, check out the learning kits developed to serve as visual material in support of a teacher's lesson. They focus on daily consumer topics in European Union countries.