I'm sorry that I didn't see your question much sooner. I believe you're inquiring about the link below in which case it appears that you didn't submit a valid photo url to us. To correct this, access the My Listings section of your Trulia account and select 'Update details' for this listing. You'll then have the option to enter a new photo url or select a new file from your computer. Also, be sure that your image is saved in one of the following file types: jpg, gif, bmp, png.
Good luck and let us know if you have any more questions. Just a tip: It's best to categorize questions like this in the Using Trulia section. We'll be able to find them much faster and help you sooner.