I'm not sure, inother words Iv'e never had it say the file is wrong, I just take them with my sony phone 2mp camera, bluetooth them to my comp, download them to photobucket and then copy the URL and then paste it into the post.
oh here is a pic of the side of my car that has been requested, sorry it was taken this morning and it was a little foggy and car was covered in dew, at least you can see the calipers
Craig