To add photos to your For Sale by Owner listing, you will need to edit your listing. Instructions for editing your listing can be found here.
Select "Add New Photo" once you have begun the editing process. From here you will be prompted to select your photos from your personal computer files.
To remove a photo, select the appropriate photo and click "Remove photo"
To rearrange the order of your photos, click and drag any photo to the desired place in the photo grouping order.
To save your changes, select "Update for sale by owner" at the bottom of the page.
Return to your listing's property page to view your changes.