This first image shows AR 2172. This area has the potential to produce M-Class flares and has been flaring occasionally for several days. Notice the dark filaments that stretch for huge distances across the solar disk. The dark spots in AR 2172 are a little bigger than the diameter of the earth.
Below are more images of this area:
The next image shows another active area on the disk, This area has a few, pore like spots in white light images, but is not named. It gives a good idea of the complex swirl and flow of plasma in the sun's magnetic field.