You may find that you have a lot of content on your account. This can make finding things harder. With Media Manager you can filter down your content based on certain criteria like Playlists, Templates, Tags, etc.
Once you select a filter. its added to the list and you can add as many filters as you wish, which will allow you to filter down your content to fine detail. You can also change the Sort By and Sort Direction from the same filter options (on right hand side).
You will notice when you add filters, they will appear below the options with X. The X allows you to remove any filters you have attached.
The template filter allows you to filter down your content that you have published to a given template.
The playlist filter allows you to filter down your content that you have published to a given playlist.
The tags filter allows you to filter down your content that you have tagged with the given tags
PUBLISHED BY FILTER
The publish by filter allows you to filter down your content by the users who uploaded them.