I am a new media consultant (consult on social brand marketing programs and enterprise 2.0 platform technologies) who also does photography. I often blend these two together but the photography can be viewed as a vertical stand-alone business offering (portraits, headshots, real-estate & event photography). I will be using this brand/logo to launch the photo site but very likely will use it for both the media consulting and photography.
An image or shape that is easily recognizable is used to represent your business.
A character or mascot to represent your business.
My blog and photog site are currently basic black/white/grey but I could envision grey and orange. All of the above could work.