Well here's the link but cant work out why the pic is not showing, anyhow will find out why eventually as I have got a build thread to start. 
Underneath the pic you want to upload there will be a few options, the one you want is the
IMG Code copy and paste that into your thread then click preview at the bottom right of the post to check your pics have come out right, once all is good click Post and hey presto!!! Simples...