I want to kind of reiterate what "wige" said.
Anything found in the format of an http in an https page will result in a page stating it has unsecure items in it.
There isn't any option but to fix it also.

This is the list of unsecure items from the page I was on:
# http://www.gymsupply.blogspot.com/
# http://www.gymsupply.com/index.asp?PageAction=CARTDETAILS&Page=1
# http://www.insidegymnastics.com/content/show/?a=426&z=1
# http://www.insidegymnastics.com/content/show/?a=430&z=1
# http://www.insidegymnastics.com/content/show/?a=431&z=1
# http://www.insidegymnastics.com/content/show/?a=432&z=1
# http://www.insidegymnastics.com/content/show/?a=433&z=1
# http://www.kipclub.com/


Good Luck,
Google Junky