Welcome to Trulia Voices.
It looks like we receive most of your listing information from Weichert and from what I can tell, they aren't supplying us with all of your listing photos. It is recommended that you contact Weichert to ensure that they are including all of your listing photos in the data feed they send to us. Once they add any missing images to this feed, our display should update automatically to display those photos.
Please be sure to contact us if you have any further questions about, or difficulties, with this.