Hi
The settings for photo sizes seems to control the video settings and not image settings.
For example by adjusting the Medium size Photo setting to 500x333 the video on http://sharingdevsites.info/ssnew/stories/ adjusts but not the map image below
See attached image
Attachment Link(s):
https://rtcamp.com/wp-content/uploads/rtMedia/topics/57144/2014/02/Capture2.png