Either try this from the link below, you may have to re-size the pictures a little to get them to attach or use Photobucket or similar and copy and paste the "IMG" link into the post.
http://www.svtperformance.com/forums/showthread.php?1037560-Video-Tutorial-on-Posting-Pictures&highlight=posting+pictures
http://www.svtperformance.com/forums/showthread.php?1037560-Video-Tutorial-on-Posting-Pictures&highlight=posting+pictures