When putting together a carefully crafted blog post you think about wording, image placement, and outside links to make an impression on your readers. It's what they look for!
In the world of branding and advertisement repeating a name places it squarely in the recipients mind. When they think of a certain product a name will often come up with them for a variety of reasons and one of those the impression and repetition of a certain brand name.
Branding yourself with an identifying mark (mine is the coffee cup) means when they see something like that or something related it you come to mind. Using an image with a transparent background allows it to blend in with the page so it looks as though you carefully cut it out and glued it right to the page. Here's a few examples of how to send them off: