LEFT CLICK ANY PAGE.
MOVE CURSOR AROUND PICTURE WITHOUT
PRESSING A BUTTON UNTIL A SMALL BOX (USUALLY WILL APPEAR QUCKEST IF MOVING CURSOR TO UPPER LEFT OF PICTURE)
USE THE BOX WITH FOUR ARROWS THAT WILL APPER ON BOTTOM RIGHT OF PICTURE
THEN PLACE CURSOR IN THAT BOX AND CLICK MOUSE TO ENLARGE FURTHER
WHEN DONE USE YOUR "X" ON YOUR BROWSER TO GET BACK TO THE "THUMBNAIL" PAGE.