After taken HTTPS certificate taken from cloudflare my website is not showing any type of images

after taken HTTPS certificate taken from Cloudflare my website is not showing any type of images.it is showing this page is trying to load scripts from unauthenticated sources .insecure content blocked

See the following help article:

https://support.cloudflare.com/hc/en-us/articles/200170476-How-do-I-fix-the-SSL-Mixed-Content-Error-Message-