Headboard ... wood? fabric?

We don't have a headboard on our king size bed!  Haven't ever... 

I loved the idea of a wooden wall

kinda like this .....

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  or this.....

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Then I saw THIS....

image from internet

and this... 

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and this... 

image from internet

 I'm thinking a wingback style headboard

Too easy,

Now to decide the fabric!