[ale] chmod question

[graphicsguy at charter.net (Keith Morris)]

Hello all.
I have a production samba server that has thousands of files that I need 
to change permissions on. I would like to change all files to have 
permissions of 666 as there are no linux executable files there.

Is there a way to use chmod recursively where it will only change the 
permissions on the files and not the directories?  chmod -R changes 
everything thus making the directories non-traversable.

Any suggestions?

Thanks in advance.
Keith Morris