Directional signs using Photoshop?

I would like to make up a picture of a post containing directional signs (similar to attached) with my own names on the different directions. Can this be done using Photoshop? If so how? If not do you have any recommendations as to how to make such a sign?

Kevin

Attached Images

Screen shot 2014-02-23 at 8.36.19 PM.png (148.1 KB)

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