Never ever ever perform step 2. This is a potentially large security risk. To make the share mountable by anyone without sudo, all you have to do is add the line to /etc/fstab, and include the "users" option like so:
Originally Posted by Mr_Bumpy
Then this will work:
//winbox/myfiles /media/myfiles cifs users,credentials=/home/fred/.auth.winbox.fred,noperm,uid=fred,gid=fred
For more information on how to mount shares using CIFS (as Mr_Bumpy shows), follow the howto in the 2nd link in my sig, complete with troubleshooting tips.