In the future when I have larger forces to draw from, I can always remove this unit from the Texas Brigade as appropriate and use it as some other infantry regiment, as there is nothing about them that specifically identifies them in any way as the 3rd Arkansas. I did give the colonel a light colored beard, so I have no idea if he even looks like the commander of any particular regiment. That was just a stylistic choice to make him different than the other ones I had painted.
Anyway, here are some pictures of the unit.
And some close-ups of the command base.