You should ask in http://forums.adobe.com/community/premiere_elements/content
I will move your question
The Cloud forum is not about using individual programs
The Cloud forum is about the Cloud as a delivery & install process
If you will start at the Forums Index https://forums.adobe.com/welcome
You will be able to select a forum for the specific Adobe product(s) you use
Click the "down arrow" symbol on the right (where it says All communities) to open the drop down list and scroll
What version of Premiere Elements do you have or intend to use and on what computer operating system.
In the absence of that information, I will assume Premiere Elements 12 on Windows 7, 8, or 8.1 64 bit.
Ken Burns Effect (in this instance applying pan and/or zoom effect to image) is represented by
a. Pan and Zoom Tool
b. fx Effects/Presets/Horizontal Pan OR Zoom Effect and also Vertical Pan OR Zoom Effect
c. Key framing the Motion Scale property (for Zoom) and the Motion Postion property (for pan).
Here is some reading material on Premiere Elements 12 panning and zooming with the Pan and Zoom Tool