Unfortunately, all of my time has been devoted to home renovations and I haven't started the platform yet. I do have the design all worked out though, I will post pics when I finally get around to building it. I did find a nice fold down ladder that mounts on the underside of the platform instead of the top. If you have a small platform to begin with this might help give you more room when the ladder is not in use.
http://www.go2marine.com/product.do?...googleshopping