1. Tell you why I friended you.
2. Associate you with something - a song, a colour, a photo, etc.
3. Tell you something I like about you.
4. Tell you a memory I have of you.
5. Associate you with a character.
6. Ask you a question.
7. Tell you my favourite user picture of yours.
8. Ask you to post this in your LJ in return, if you feel like it.