The Clp Editor, Icon View uses a content badge to occupy the middle space of large icons. The default content badge is the HTTP Content-Type (as expressed in file extensions). However, the badge can also display a Target's logo.
Images can be added to the repository for use as badges by using Central > Images > New.
The Content Badges command is found on the Etc. (…) menu in the Clip Editor.
Selecting Target Logo here will change the badge for all messages in the clip. If the target has no logo, the default "HTTP" badge shows.