Can't get Mesh to unwrap properly I'm trying to get this chair (the back part) mesh 
Unwrap smoothly but it keeps coming out like this

which causes extreme distortion when i try to put a texture on it.
i'm trying to get it to unwrap smoothly like this

Can anyone explain to me how i can get my mesh to unwrap like that?
without an blend file i have to guess, but it seems to me, that you missed some uv marks on one end of each of the objects. A cubic object needs to have 3 UV Marks on each of its ends. I made a picture to explain it futher:  If that does not solve the problem, please upload the blend file.
For getting the top and bottom face separated from the object, mark the howl face: