First off make a free account here http://smg.photobucket.com/
then

This wil take you to this screen, drag and drop your photo on it

You will then see this screen with your photo, click it once.
]

You will then see this screen, click the link that I have high lighted just once and it will copy ready for you to paste into your post on the forum

Now you have the link ready to put in your post, no need to use any of the quote tools etc, just paste it in your post.
Simple
G