Keyword Help

Hi all,

I run quite a large general interest blog. We post our own opinions about topics such as music, celebrities, fads and other funny things in the news.

I'm struggling to pick a few keywords to use, can anyone help me out?

The site is: sickchirpse dot com - obviously each post has it's own keywords but I need to decide what to use for the front page.

Also, what would the best way for me to rank higher in Google for 'Sick'?

Thanks,

SC