Backup schedule
As well as TimeMachine backups I archive some specific data into a .dmg for storage in the Amazon S3 cloud. The bash script that I use is listed below and generates a disk image in the formation of YYYY-MM-DD.dmg which I manually upload.
IMAGENAME=`date +%Y-%m-%d`
cd ~
hdiutil create -encryption -stdinpass -srcfolder Documents/ -srcfolder /Library/WebServer/ -srcfolder Sites/ $IMAGENAME.dmg(Getting the date into the filename shamelessly stolen from http://onjava.com/pub/a/mac/2004/02/10/backup.html)