I've seen a few attempts to recreate MetalBeard's film appearance around the net, but they've all fallen short of total accuracy by a significant measure. I looked back through the film and determined all of the differences, created an LDD model, ordered the parts I needed, and got to building.
And the back
There are a ton of minute differences between the film version and the final set, so I won't attempt to cover them all in text. Suffice to say most of the changes seem to be in the interest of stabilization and economy of parts. His right foot, peg leg, and back are the only parts constructed completely differently, but there are tiny changes throughout the model. If your interested in seeing everything in more detail, here's the LXF:
This is the link to the LXF I just mentioned
I believe I used the wrong color for the light grey parts in the LDD model, my bad.
If you want to try your hand at building the model physically, note that there are a few parts that don't exist in the correct colors. The gears atop MetalBeard's shoulders should be dark grey, but only come in light grey. The chain from his chest to his shark arm should be metallic. I'm also fairly certain that the brackets holding his treasure chest are supposed to be gold.
And that's all there is to say, I suppose. Arg!