Ooh i found these ones interesting.

Lucid Task: Find a crowd of people and yell, "Are there any other Lucid Dreamers here?!". Come back and report what happens.

Advanced Lucid task: Build a snowman or snow woman and bring it to life.
Lucid Task: Give a present to a Dream Character

Advanced Lucid task: Find a Dream Character and read his/her mind. Be sure to report back what you read.
Lucid Task: Ask a Dream character - "Am I Dreaming?"

Advanced Lucid task: Witness the end of the world, come back and tell us how it all ends.