The numbers next to each image indicate the coordinates of the location of the picture - the lower left corner in parentheses followed by the length of a side. If you pass these three numbers to DRAWING Librarian Professional's MAND script command, it will generate the same view. For example, MAND -2 -1.25 2.5 will generate the main set.
(-0.7910322074096 , -0.1502158760371) 0.0000000355566 (173k)
(-0.791032671785 , -0.1502161525944) 0.000000441162 (104k)
(-0.7649598805986 , -0.0946979351544) 0.0000000158077 (97k)
(-0.075895926312 , -0.6605057308991) 0.000850078 (110k)
(-1.7455175495712 , -0.0000480167014) 0.0000000000326 (67k)
Here's another site with Mandelbrot pictures. If you have questions regarding fractal images in general, you can take a look at the Fractal FAQ.