Useful or cool Tasker recipes
Tasker - "Tasker is an application for Android which performs Tasks (sets of Actions) based on Contexts (application, time, date, location, event, gesture) in user-defined Profiles, or in clickable or timer home screen widgets."
Describe the reason for the Profile and the configuration of the Profile.
Please check to see if one you have has already been listed and vote it up - don't duplicate answers.
I know this is subjective. I have already flagged it for a mod to make it a wiki. If it does not become a wiki I will delete it.