I didn't look closely at the pics until after reading Zeus's post and have to agree with his obsevations. Hopefully your builder will be able to get all the issues worked out and create a safe beast for you. Keep us updated.

Not sure how much research you have done prior to your project but it might be helpfull to do a bit of searching and reading about the issues you are experiencng on the Pirate 4x4 site. There is a lot of good info there.