Change picture size using Picture Resolution setting.
Enable Add Datestamp and/or Add Timestamp to append date and/or time to entered picture name.
Adjust compression level using Picture Compression setting. Higher compression will give smaller pictures at the cost of picture quality.
Process to take and name picture is as follows:
Press the Capture Picture button to view camera.
Take picture with camera.
Select the option to either keep or retake picture.
Enter desired name and press Save to save picture.