Have you ever needed to rename a bunch of files and wished there was something to help you do it in a systematic and automatic manner? Check out CKSoft’s CKRename. Simple and powerful.
C. David Gammel, CAE
Helping associations pursue goals that matter.
C. David Gammel, CAE 
you just saved me hours of work! thanks.
You’re welcome! I know it saved me a bunch of time renaming a big batch of thumbnails.