Basically, you just write a poem where you pick a few body parts and use positive words to describe them, and then at the end, you have a section that just says "Me".
Here's my example: (I don't want you guys to think I'm conceited, that's not my intention, it's just to feel better about yourself. I know I have trouble with that.)
Arms
Long
Graceful
Useful
Loving
Beautiful
Legs
Stretching
Lithe
Working
Muscular
Beautiful
Stomach
Cute
Improving
Bejeweled
Nourishing
Beautiful
Face
Expressive
Unique
Happy
Intriguing
Beautiful
Me
Special
Determined
Creative
Caring
Beautiful
So yeah, if anyone wants to participate with me...it'll be fun
