Security Warning?
Are you getting a dialogue like this when you are browsing SD23 websites and/or editing your SharePoint sites?:

Yes? Try changing your Internet Explorer security settings: Go to Tools --> Internet Options --> Security Tab > Local intranet:

Click the "Custom Level" button.
Go to Miscellaneous --> display mixed content and select "Enable" option as shown here:

With this done, you will not be prompted anymore.
Thanks to Grant Hughes for those instructions!