This is the Text Teaser of the Post template of the Am/One theme. Upload images to show up in the slideshow and define one of them as your teaser image by setting the Image Teaser variable.
Note the other blog post to the right. You can define tags for every page or post in the Page Settings. Pages having tags in common with the current page will be shown as related pages.
The main content of your post goes here. When beeing logged in, just click the Edit button below to edit this text.