Plug your digital camera into a USB port on your computer and turn the camera on. Now, look at the pictures of your car, and remember which number the picture is. Now come to this post and hit "Reply",
Now, you will see "Additional Options at the bottom. Hit that and then hit browse, then choose your picture's url from your camera, and enter that in the box. Then hit "Post" at the bottom.
If you want to display more than one picture, hit "more attachments" out to the side of the word "browse" before you hit "Post."