Go to your profile and view your gallery. Once there you can upload images to your gallery. When your images are uploaded you then go to the thread you want to add your image. Go to the bottom of the page and click "go advanced" You'll have a side bar to the right with a bunch of smiley faces and a section of "my pics" click open and it should open another window where you click which picture you want to add. When you click the picture it will automatically post the image location link to your post. Click Preview post to confirm you have the right image, once it looks good click submit reply and viola. You now successfully added an image to a post...