This particular portion of the site affirms how storytelling using online tools for slideshows supports common core. There are other areas of the site that are very useful as well.
Teacher resources website which provides lessons, activities and classroom artifacts to engage learners using web 2.0 tools and technology. Categories are easy to use and make finding appropriate material simple.
This is a really good site, and I have used it a few times. Have you tried Share my Lesson at http://www.sharemylesson.com/ ? Many of the lessons are correlated to the common core standards. I've found several good lessons here as well.