You can also use this example:

calendar_v2.irpz

Hello Theo,
Thank you for your idea. It is available for voting for now. The more votes it gets the sooner it will be implemented.

We would be grateful if you give us this information via the section of the web-site: http://www.iridiummobile.net/recommended-equipment/
Thank you for help!

Hello,

We researched your task, and it's not a bug. In current conception working of Dynamic Image, we didn't plan this functional.
Dynamic Images work with only one state of item now.