I could not find a flag design for Blogger on the Internet, so I thought I'd design one to put here.
The "B" Blogger logo apears in the canton area on a rounded square of Blogger orange. The "B" appears in white. The background of the flag is Blogger blue. The blue represents the Internet. There is plenty of space on the flag for more things, like a Blogger blog. Just like all the Blogger blogs, the Blogger "B" logo appears in the upper left-hand corner.
Blogger does not currently have a flag, but there is a term used by Blogger called, "Flag Blog", which notifies Blogger about objectionable content. The flag is light blue when the blog is not flagged, and red when it is flagged.