Step 1: Navigate to Properties > Properties > Details / Edit
Step 2: Click Photographs
Step 3: Click on the Upload your pictures button
Step 4: Wait for your photo to load
Step 5: Enter a caption for your photo (optional)
Step 6: Categorize your photo (optional)
Step 7: Reorder your photos (optional)
Tip: click the grid view to see more of your photos at once.
Click and hold on a photo, then drag it to the location you want in the photo list.
Step 8: Delete photos (optional)
Simply click on the white "X" in the top right corner of any photo you wish to delete.