Could you post a sample of the code used in the example please?
Hi,
Screenshots/Litmus previews and (or) code would be useful if possible Robert? Would help troubleshoot.
Problem you describe sounds similar to a problem we encountered with people within the business having differing screen resolutions. That was for Outlook, might be worth checking though, more info here
An old hack, but a good one. Get rid of the unwanted left margin on Android 4.4 by using this within your <style> tag:
body { margin: 0 auto !important; }
div[style*="margin: 16px 0"] { margin: 0 auto !important; font-size:100% !important; }
Before fix (with unwanted margin-left):

After fix:

Hi,
We use a lot of background images in our emails. This is a helpful tool - http://backgrounds.cm/
It works in Outlook 07,10 & 13. Just make sure that if you don't want your image to tile then change the <v:fill type="tile" to <v:fill type="frame".