First enable user profile pictures built into the drupal core.
triberising.com/admin/user/settings
- Under pictures select "Enabled"
- Hit 'Save Configuration'
Now set drupal's theme to display profile pictures on your nodes: Administer > Themes > Configure tab > Global Settings
triberising.com/admin/build/themes/settings
- On the left: Tick the box labeled "User pictures in posts"
- On the right: Tick the box labeled "Blog entry" Hit the 'Save Configuration' button.