1.) Edit your photos. This is an easy way to create a mood for your blog. You want it to be as cohesive as possible. It even creates a mood for the photoshoot with the outfit you are wearing. For example, for this shoot Kelsey wanted to go more city-like and industrial. She made the editing a bit more grungey for this exact reason.
See Taylors tips on how to take the best photos for your blog on her site, Lights, Camera Catwalk!