Question about keywords in google webmaster

Hello, please can someone help me,
I checked the keywords in google webmaster for my site bonusparadise.com
and the 2nd highest keyword there is "post"

This is not what my site is about, any ideas how to make this better?

my first 20 keywords according google webmaster tools

1. casino

2. post

3. bonus

4. thread

5. posts

6. gambling

7. casinos

8. bookmark

9. del

10. digg

11. furl

12. deposit

13. new

14. icio

15. paradise

16. bonusparadise

17. times

18. may

19. technorati

20. twit

You also see the counts the social bookmarks a lot.
What should I do about this?

Please see:
Keywords in Google Webmaster Tools for Forum

ahh, thanks Brian, all ok then

sorry should have used search before i post