Two free neohome items are available.
For the first one visit the link below, scroll down and click "claim your prize"
http://www.neopets.com/neohome/
Holiday Lamp Post
For the second you must enter your neohome into the spotlight contest (link below), after you submit it there will be a confirmation message and a link for the next prize.
http://www.neopets.com/spotlight_subs/homespotlight_submission.phtml
Holiday Cut Out Raindorf