Scrapbook Style Blog:
This style uses digital scrapbook kits to create the blog design. There are coordinating embellishments and layers to the design.
Graphic Style Blog:
A more simple style that consists of graphics and word art. The Babbling Brooke Designs and the Babbles of Brooke are both examples of this.
The Photo Blog:
Where the main focus of the header and graphics are photographs.
Once you've decided which style you like best take a note of it.