are you and agent? If so, just sign up and create a listing. Trulia makes it very simple. It is very user friendly. If not, call me and or email me. If you are thinking of listing, contact me. It's really quite simple and I'll make sure it gets out here in seconds.
Become an agent with EXIT Realty. With e-listings your listings are automatically uploaded to several websites including Trulia, Google, Yahoo, Realtor.com, etc. I would be happy to talk with you more and sponsor you into your local Exit Realty office.
Talk to your broker and local MLS Board. We particiapte thorugh our local MLS with Listhub. They (ListHub) submit it to a dozen or so sites. You may be able to ask Trulia Customer service as well if you give them your local Board name (Pacifica?). You may wan to call listHub too: http://www.listhub.net/contact.html