TimeMachineNotifier 1.0 (10.6+) 
- An applescript to send growl notices when Time Machine does backups.
Set this to run every minute.
TrashSizeLimit 1.1 (10.5+) - This script will make the folder it is attached to (as a Folder Action) into a size limited trash can, deleting the oldest files to make room for the new.
For more details see the script.
