I have configured Image Renditions by enable BLOB caching on the web application and enable publishing features on a Blog site. When I insert an image to the Body field when editing a Post (EditPost.aspx), the Pick Rendition button is disabled. It works perfectly when adding an image to a Page Content area, but not for EditPost.aspx and NewPost.aspx. The image I am trying to insert DOES reside within the same site collection as the Blog site.

Any ideas how to enable the Pick Renditions b