Its been a while since the last post, so I thought I'd let you know about a couple of new features that are now out of testing, and available for all users.
If a feed presents thumbnails (via the Media RSS extension, for the curious), then these will be displayed to the right of the subject line.
Also known as media content, enclosures, attachments, and probably some other names too. These files will be displayed in a section at the bottom of the item block.
Both these features are enabled by default for all users, and can be controlled through your Account Settings page.