A NOTE about HTTPS: With our hosting, we are not able to offer SSL / HTTPS hosting for your blog. Do not use the SSL Features in CloudFlare.
Full Domain
In this video, you'll learn how to use a vanity domain (custom domain) with your ResultFlow Instablog. In the video, the target parameter referenced in the video, note: no http or trailing slash
parameter
wordpresselb-697444127.us-east-1.elb.amazonaws.com
Sub Domain
For your subdomain, watch the video above. BUT instead of making that change at Cloudflare, you'll make the change where your DNS (Domain Name Server) is set. There, you'll add that CNAME for blog to point to the parameter.
For instance if your DNS is GoDaddy, you'll make subdomain changes at GoDaddy. Namecheap at Namecheap, etc.
parameter
wordpresselb-697444127.us-east-1.elb.amazonaws.com