mv BlueFolder16x14.gif BlueFolder16x14_BLK.gif
mv BlueFolder16x14.png BlueFolder16x14_BLK.png
mv GreenFolder16x14.gif GreenFolder16x14_BLK.gif
mv GreenFolder16x14.png GreenFolder16x14_BLK.png
mv PingFolder16x14.png RedFolder16x14_BLK.png
mv RedFolder16x14.gif RedFolder16x14_BLK.gif
mv YellowFolder16x14.gif YellowFolder16x14_BLK.gif
mv YellowFolder16x14.png YellowFolder16x14_BLK.png