From :

Leave me a comment and I’ll…
1. Tell you why I friended you.
2. Associate you with something – a song, a color, 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 something I’ve always wanted to know about you.
7. Tell you my favorite user picture of yours.
8. Ask you to post this in your LJ in return.