[freebeard]

The post should look like [I*G]http://x[/IMG] with a valid URL. Where are you sourcing the image from? You might see if you can create an album in your User Profile and pull from there.

A four-bar hitch and single wheel may have unanticipated dynamics. Or not....

At the rear, in order: full boat tail, bobbed boat tail, boxed cavity, separation edges. There is endless debate about the relative merits. Adding length has costs associated.