Bought a new Chumby 8, already own Insignia Infocast 8" and Insignia 3.5".

How can I schedule a new task that plays a particular mp3 audio file that is stored on a SD card ?
I  see that I can schedule a task to play music, but the options are only pandora radio, shoutcast, etc but "my music files" is not a selection. This feature is a very basic feature that should be available.

Also, I have a Insignia 8.5 and have an app called "My photos". I have this app in a channel that starts in the morning and play 5 photos that on the internal memory. How can I get this working on my new Chumby 8 ?
Thanks.