It takes time before they can compete well with google.

commented: Exactly... +2

I agree with silveraden, it's the quality and not the quantity of backlinks.

Putting your site on your sig is one way of promoting it and getting backlinks.

commented: good suggestion :) +31

Yes, I agree on that. Although email marketing is also a good technique but remember it is also considered as spamming. You really near in trouble.