Usually, I stay away from topics like "personal branding". I can see the value of this concept, but a lot of the talks surrounding it are full of bla bla.
However, I've recently discovered this recording on youtube by Shawn Wang.
What I like about this talk is that you have a lot of high applicable, practical information that you may get from something a programming screencast. Especially in the first half.
So, go ahead, give it a try: