I have recently changed to https on a vbulletin forum.
I have the following message for all Arrowchat avatars....
Loading mixed (insecure) display content "http://www.gravatar.com/avatar/d23115f290e5ab4129ed13f886621cf2?d=identicon" on a secure page
How do I get this changed to https://
What file needs changing to reflect the change to https://