getting traffic from Digg

Add as many friends as possible.
Vote for their articles.
Submit great articles.
Send shouts to your friends.
Exchange diggs on various forums like Digitalpoint.
Repeat the process.

Make sure you have enough bandwidth to support the traffic you get from digg.

Traffic from digg rarely converts. So its not very useful except for getting those unique visitors.

Content is a king and many friends with a digg account You need at least 50 diggs in few hours to get on the frontpage.