Sounds like your in a picture competition.
Actually once they are on the PC you can rename them to anything you please but they cannot be viewed on the camera anymore. Just remember not to change the JPEG suffix.
I rename photos when I modify them and always keep the originals.
Gene's program sounds interesting I will have to check it out!
Minolta X370, 35mm, 50mm; Vivitar 28-80 zoom; Auto Spira-Tel 200mm, 300mm; JC Penney 80-200 zoom;12mm, 20mm, 36mm extension tubes, 2X & 3X teleconverters
Sony Mavica FD-83
FZ-20; 62mm Pemaraal Adapter; TCON-17; Hoya SHMC UV; Kenko Circular Polarizar; Tiffen ND 6, Sky 1-A
Vivitar 2800-D flash; Spiratone Tripod