A wide variety of them
You can easily embed files with the body content of the post like this: Word document (.doc). To do this, upload files into the file attachment field below, then copy and paste the file number into the body content. The file will appear with the appropriate icon where ever you place it in the body content: Powerpoint presentation (.ppt).
Files can be displayed in bulleted or number list form:
Files must have something written in the “description” field of the file attachment to appear in the post. Any file attachments that aren’t embedded within the body content will appear under the related links heading to the right.
Quicktime movie (.mov) Music (.mp3) Adobe PDF (.pdf) PNG image (.png)