Hmm.... I would offer advice but I'm having writers block of my own hehe :) Well it's a brilliant start so im sure in time you will come up with a good plan :)
Haha. It's kinda hit-and-miss as far as greetings go. I think a lot of people get sort of weirded out, but y'know xD
Now that that's over with, I can say normal things. Like 'Hey', and 'Sup?'
So... Hey. Sup?